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r=this.plot,n=this.shader,i=this.buffer,o=this.bounds,a=this.numPoints;if(a){var s=r.gl,l=r.dataBox,c=r.viewBox,h=r.pixelRatio,f=o[2]-o[0],d=o[3]-o[1],p=l[2]-l[0],v=l[3]-l[1];t[0]=2*f/p,t[4]=2*d/v,t[6]=2*(o[0]-l[0])/p-1,t[7]=2*(o[1]-l[1])/v-1;var m=c[2]-c[0],g=c[3]-c[1];e[0]=2*h/m,e[1]=2*h/g,i.bind(),n.bind(),n.uniforms.viewTransform=t,n.uniforms.pixelScale=e,n.uniforms.color=this.color,n.attributes.position.pointer(s.FLOAT,!1,16,0),n.attributes.pixelOffset.pointer(s.FLOAT,!1,16,8),s.drawArrays(s.TRIANGLES,0,a*u.length)}}}(),c.drawPick=function(t){return t},c.pick=function(t,e){return null},c.update=function(t){t=t||{};var e,r,n,i=t.positions||[],o=t.errors||[],a=1;"lineWidth"in t&&(a=+t.lineWidth);var l=5;"capSize"in t&&(l=+t.capSize),this.color=(t.color||[0,0,0,1]).slice();var c=this.bounds=[1/0,1/0,-(1/0),-(1/0)],h=this.numPoints=i.length>>1;for(e=0;h>e;++e)r=i[2*e],n=i[2*e+1],c[0]=Math.min(r,c[0]),c[1]=Math.min(n,c[1]),c[2]=Math.max(r,c[2]),c[3]=Math.max(n,c[3]);c[2]===c[0]&&(c[2]+=1),c[3]===c[1]&&(c[3]+=1);var f=1/(c[2]-c[0]),d=1/(c[3]-c[1]),p=c[0],v=c[1],m=s.mallocFloat32(h*u.length*4),g=0;for(e=0;h>e;++e){r=i[2*e],n=i[2*e+1];for(var y=o[4*e],b=o[4*e+1],x=o[4*e+2],_=o[4*e+3],w=0;wk?k*=y:k>0&&(k*=b),0>A?A*=x:A>0&&(A*=_),m[g++]=f*(r-p+k),m[g++]=d*(n-v+A),m[g++]=a*M[2]+(l+a)*M[4],m[g++]=a*M[3]+(l+a)*M[5]}}this.buffer.update(m),s.free(m)},c.dispose=function(){this.plot.removeObject(this),this.shader.dispose(),this.buffer.dispose()}},{"./lib/shaders":126,"gl-buffer":124,"gl-shader":203,"typedarray-pool":458}],126:[function(t,e,r){e.exports={vertex:"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec2 pixelOffset;\n\nuniform mat3 viewTransform;\nuniform vec2 pixelScale;\n\nvoid main() {\n vec3 scrPosition = viewTransform * vec3(position, 1);\n gl_Position = vec4(\n scrPosition.xy + scrPosition.z * pixelScale * pixelOffset,\n 0,\n scrPosition.z);\n}\n",fragment:"precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 color;\n\nvoid main() {\n gl_FragColor = vec4(color.rgb * color.a, color.a);\n}\n"}},{}],127:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.shader=n,this.buffer=e,this.vao=r,this.pixelRatio=1,this.bounds=[[1/0,1/0,1/0],[-(1/0),-(1/0),-(1/0)]],this.clipBounds=[[-(1/0),-(1/0),-(1/0)],[1/0,1/0,1/0]],this.lineWidth=[1,1,1],this.capSize=[10,10,10],this.lineCount=[0,0,0],this.lineOffset=[0,0,0],this.opacity=1}function i(t,e){for(var r=0;3>r;++r)t[0][r]=Math.min(t[0][r],e[r]),t[1][r]=Math.max(t[1][r],e[r])}function o(t,e,r,n){for(var i=f[n],o=0;o=1},h.isTransparent=function(){return this.opacity<1},h.drawTransparent=h.draw=function(t){var e=this.gl,r=this.shader.uniforms;this.shader.bind();var n=r.view=t.view||c,i=r.projection=t.projection||c;r.model=t.model||c,r.clipBounds=this.clipBounds,r.opacity=this.opacity;var o=n[12],a=n[13],s=n[14],l=n[15],u=this.pixelRatio*(i[3]*o+i[7]*a+i[11]*s+i[15]*l)/e.drawingBufferHeight;this.vao.bind();for(var h=0;3>h;++h)e.lineWidth(this.lineWidth[h]),r.capSize=this.capSize[h]*u,e.drawArrays(e.LINES,this.lineOffset[h],this.lineCount[h]);this.vao.unbind()};var f=function(){for(var t=new Array(3),e=0;3>e;++e){for(var r=[],n=1;2>=n;++n)for(var i=-1;1>=i;i+=2){var o=(n+e)%3,a=[0,0,0];a[o]=i,r.push(a)}t[e]=r}return t}();h.update=function(t){t=t||{},"lineWidth"in t&&(this.lineWidth=t.lineWidth,Array.isArray(this.lineWidth)||(this.lineWidth=[this.lineWidth,this.lineWidth,this.lineWidth])),"capSize"in t&&(this.capSize=t.capSize,Array.isArray(this.capSize)||(this.capSize=[this.capSize,this.capSize,this.capSize])),"opacity"in t&&(this.opacity=t.opacity);var e=t.color||[[0,0,0],[0,0,0],[0,0,0]],r=t.position,n=t.error;if(Array.isArray(e[0])||(e=[e,e,e]),r&&n){var a=[],s=r.length,l=0;this.bounds=[[1/0,1/0,1/0],[-(1/0),-(1/0),-(1/0)]],this.lineCount=[0,0,0];for(var u=0;3>u;++u){this.lineOffset[u]=l;t:for(var c=0;s>c;++c){for(var h=r[c],f=0;3>f;++f)if(isNaN(h[f])||!isFinite(h[f]))continue t;var d=n[c],p=e[u];if(Array.isArray(p[0])&&(p=e[c]),3===p.length&&(p=[p[0],p[1],p[2],1]),!isNaN(d[0][u])&&!isNaN(d[1][u])){if(d[0][u]<0){var v=h.slice();v[u]+=d[0][u],a.push(h[0],h[1],h[2],p[0],p[1],p[2],p[3],0,0,0,v[0],v[1],v[2],p[0],p[1],p[2],p[3],0,0,0),i(this.bounds,v),l+=2+o(a,v,p,u)}if(d[1][u]>0){var v=h.slice();v[u]+=d[1][u],a.push(h[0],h[1],h[2],p[0],p[1],p[2],p[3],0,0,0,v[0],v[1],v[2],p[0],p[1],p[2],p[3],0,0,0),i(this.bounds,v),l+=2+o(a,v,p,u)}}}this.lineCount[u]=l-this.lineOffset[u]}this.buffer.update(a)}},h.dispose=function(){this.shader.dispose(),this.buffer.dispose(),this.vao.dispose()}},{"./shaders/index":128,"gl-buffer":124,"gl-vao":232}],128:[function(t,e,r){"use strict";var n=t("gl-shader"),i="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position, offset;\nattribute vec4 color;\nuniform mat4 model, view, projection;\nuniform float capSize;\nvarying vec4 fragColor;\nvarying vec3 fragPosition;\n\nvoid main() {\n vec4 worldPosition = model * vec4(position, 1.0);\n worldPosition = (worldPosition / worldPosition.w) + vec4(capSize * offset, 0.0);\n gl_Position = projection * view * worldPosition;\n fragColor = color;\n fragPosition = position;\n}",o="precision mediump float;\n#define GLSLIFY 1\nuniform vec3 clipBounds[2];\nuniform float opacity;\nvarying vec3 fragPosition;\nvarying vec4 fragColor;\n\nvoid main() {\n if(any(lessThan(fragPosition, clipBounds[0])) || any(greaterThan(fragPosition, clipBounds[1]))) {\n discard;\n }\n gl_FragColor = opacity * fragColor;\n}";e.exports=function(t){return n(t,i,o,null,[{name:"position",type:"vec3"},{name:"offset",type:"vec3"},{name:"color",type:"vec4"}])}},{"gl-shader":203}],129:[function(t,e,r){"use strict";function n(t){var e=t.getParameter(t.FRAMEBUFFER_BINDING),r=t.getParameter(t.RENDERBUFFER_BINDING),n=t.getParameter(t.TEXTURE_BINDING_2D);return[e,r,n]}function i(t,e){t.bindFramebuffer(t.FRAMEBUFFER,e[0]),t.bindRenderbuffer(t.RENDERBUFFER,e[1]),t.bindTexture(t.TEXTURE_2D,e[2])}function o(t,e){var r=t.getParameter(e.MAX_COLOR_ATTACHMENTS_WEBGL);y=new Array(r+1);for(var n=0;r>=n;++n){for(var i=new Array(r),o=0;n>o;++o)i[o]=t.COLOR_ATTACHMENT0+o;for(var o=n;r>o;++o)i[o]=t.NONE;y[n]=i}}function a(t){switch(t){case p:throw new Error("gl-fbo: Framebuffer unsupported");case v:throw new Error("gl-fbo: Framebuffer incomplete attachment");case m:throw new Error("gl-fbo: Framebuffer incomplete dimensions");case g:throw new Error("gl-fbo: Framebuffer incomplete missing attachment");default:throw new Error("gl-fbo: Framebuffer failed for unspecified reason")}}function s(t,e,r,n,i,o){if(!n)return null;var a=d(t,e,r,i,n);return a.magFilter=t.NEAREST,a.minFilter=t.NEAREST,a.mipSamples=1,a.bind(),t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,a.handle,0),a}function l(t,e,r,n,i){var o=t.createRenderbuffer();return t.bindRenderbuffer(t.RENDERBUFFER,o),t.renderbufferStorage(t.RENDERBUFFER,n,e,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,i,t.RENDERBUFFER,o),o}function u(t){var e=n(t.gl),r=t.gl,o=t.handle=r.createFramebuffer(),u=t._shape[0],c=t._shape[1],h=t.color.length,f=t._ext,d=t._useStencil,p=t._useDepth,v=t._colorType;r.bindFramebuffer(r.FRAMEBUFFER,o);for(var m=0;h>m;++m)t.color[m]=s(r,u,c,v,r.RGBA,r.COLOR_ATTACHMENT0+m);0===h?(t._color_rb=l(r,u,c,r.RGBA4,r.COLOR_ATTACHMENT0),f&&f.drawBuffersWEBGL(y[0])):h>1&&f.drawBuffersWEBGL(y[h]);var g=r.getExtension("WEBGL_depth_texture");g?d?t.depth=s(r,u,c,g.UNSIGNED_INT_24_8_WEBGL,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p&&(t.depth=s(r,u,c,r.UNSIGNED_SHORT,r.DEPTH_COMPONENT,r.DEPTH_ATTACHMENT)):p&&d?t._depth_rb=l(r,u,c,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p?t._depth_rb=l(r,u,c,r.DEPTH_COMPONENT16,r.DEPTH_ATTACHMENT):d&&(t._depth_rb=l(r,u,c,r.STENCIL_INDEX,r.STENCIL_ATTACHMENT));var b=r.checkFramebufferStatus(r.FRAMEBUFFER);if(b!==r.FRAMEBUFFER_COMPLETE){t._destroyed=!0,r.bindFramebuffer(r.FRAMEBUFFER,null),r.deleteFramebuffer(t.handle),t.handle=null,t.depth&&(t.depth.dispose(),t.depth=null),t._depth_rb&&(r.deleteRenderbuffer(t._depth_rb),t._depth_rb=null);for(var m=0;ml;++l)this.color[l]=null;this._color_rb=null,this.depth=null,this._depth_rb=null,this._colorType=n,this._useDepth=o,this._useStencil=a;var c=this,h=[0|e,0|r];Object.defineProperties(h,{0:{get:function(){return c._shape[0]},set:function(t){return c.width=t}},1:{get:function(){return c._shape[1]},set:function(t){return c.height=t}}}),this._shapeVector=h,u(this)}function h(t,e,r){if(t._destroyed)throw new Error("gl-fbo: Can't resize destroyed FBO");if(t._shape[0]!==e||t._shape[1]!==r){var o=t.gl,s=o.getParameter(o.MAX_RENDERBUFFER_SIZE);if(0>e||e>s||0>r||r>s)throw new Error("gl-fbo: Can't resize FBO, invalid dimensions");t._shape[0]=e,t._shape[1]=r;for(var l=n(o),u=0;ue||e>a||0>r||r>a)throw new Error("gl-fbo: Parameters are too large for FBO");n=n||{};var s=1;if("color"in n){if(s=Math.max(0|n.color,0),0>s)throw new Error("gl-fbo: Must specify a nonnegative number of colors");if(s>1){if(!i)throw new Error("gl-fbo: Multiple draw buffer extension not supported");if(s>t.getParameter(i.MAX_COLOR_ATTACHMENTS_WEBGL))throw new Error("gl-fbo: Context does not support "+s+" draw buffers")}}var l=t.UNSIGNED_BYTE,u=t.getExtension("OES_texture_float");if(n.float&&s>0){if(!u)throw new Error("gl-fbo: Context does not support floating point textures");l=t.FLOAT}else n.preferFloat&&s>0&&u&&(l=t.FLOAT);var h=!0;"depth"in n&&(h=!!n.depth);var f=!1;return"stencil"in n&&(f=!!n.stencil),new c(t,e,r,l,s,h,f,i)}var d=t("gl-texture2d");e.exports=f;var p,v,m,g,y=null,b=c.prototype;Object.defineProperties(b,{shape:{get:function(){return this._destroyed?[0,0]:this._shapeVector},set:function(t){if(Array.isArray(t)||(t=[0|t,0|t]),2!==t.length)throw new Error("gl-fbo: Shape vector must be length 2");var e=0|t[0],r=0|t[1];return h(this,e,r),[e,r]},enumerable:!1},width:{get:function(){return this._destroyed?0:this._shape[0]},set:function(t){return t=0|t,h(this,t,this._shape[1]),t},enumerable:!1},height:{get:function(){return this._destroyed?0:this._shape[1]},set:function(t){return t=0|t,h(this,this._shape[0],t),t},enumerable:!1}}),b.bind=function(){if(!this._destroyed){var t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.handle),t.viewport(0,0,this._shape[0],this._shape[1])}},b.dispose=function(){if(!this._destroyed){this._destroyed=!0;var t=this.gl;t.deleteFramebuffer(this.handle),this.handle=null,this.depth&&(this.depth.dispose(),this.depth=null),this._depth_rb&&(t.deleteRenderbuffer(this._depth_rb),this._depth_rb=null);for(var e=0;e2&&!this.usingDashes){var z=this.mitreShader;z.bind();var I=z.uniforms;I.matrix=t,I.color=s,I.screenShape=e,I.radius=l*p,z.attributes.p.pointer(h.FLOAT,!1,48,0),h.drawArrays(h.POINTS,0,c/3|0)}}}}(),f.drawPick=function(){var t=[1,0,0,0,1,0,0,0,1],e=[0,0],r=[0,0,0,0];return function(n){var i=this.plot,o=this.pickShader,a=this.lineBuffer,s=this.pickBuffer,l=this.width,u=this.numPoints,c=this.bounds,h=this.vertCount,f=i.gl,d=i.viewBox,p=i.dataBox,v=i.pickPixelRatio,m=c[2]-c[0],g=c[3]-c[1],y=p[2]-p[0],b=p[3]-p[1],x=d[2]-d[0],_=d[3]-d[1];if(this.pickOffset=n,!h)return n+u;t[0]=2*m/y,t[4]=2*g/b,t[6]=2*(c[0]-p[0])/y-1,t[7]=2*(c[1]-p[1])/b-1,e[0]=x,e[1]=_,r[0]=255&n,r[1]=n>>>8&255,r[2]=n>>>16&255,r[3]=n>>>24,o.bind();var w=o.uniforms;w.matrix=t,w.width=l*v,w.pickOffset=r,w.screenShape=e;var M=o.attributes;return a.bind(),M.a.pointer(f.FLOAT,!1,16,0),M.d.pointer(f.FLOAT,!1,16,8),s.bind(),M.pick0.pointer(f.UNSIGNED_BYTE,!1,8,0),M.pick1.pointer(f.UNSIGNED_BYTE,!1,8,4),f.drawArrays(f.TRIANGLES,0,h),n+u}}(),f.pick=function(t,e,r){var n=this.pickOffset,i=this.numPoints;if(n>r||r>=n+i)return null;var o=r-n,a=this.data;return{object:this,pointId:o,dataCoord:[a[2*o],a[2*o+1]]}},f.update=function(t){t=t||{};var e=this.plot.gl;!!t.connectGaps;this.color=(t.color||[0,0,1,1]).slice(),this.width=+(t.width||1),this.fill=(t.fill||[!1,!1,!1,!1]).slice(),this.fillColor=i(t.fillColor||[[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]]);for(var r=t.dashes||[1],n=0,o=0;o1,this.dashPattern=l(e,u(a,[n,1,4],[1,0,0])),this.dashPattern.minFilter=e.NEAREST,this.dashPattern.magFilter=e.NEAREST,this.dashLength=n,c.free(a);var d=t.positions;this.data=d;var p=this.bounds;p[0]=p[1]=1/0,p[2]=p[3]=-(1/0);var v=this.numPoints=d.length>>>1;if(0!==v){for(var o=0;v>o;++o){var m=d[2*o],g=d[2*o+1];isNaN(m)||isNaN(g)||(p[0]=Math.min(p[0],m),p[1]=Math.min(p[1],g),p[2]=Math.max(p[2],m),p[3]=Math.max(p[3],g))}p[0]===p[2]&&(p[2]+=1),p[3]===p[1]&&(p[3]+=1);for(var y=c.mallocFloat32(24*(v-1)),b=c.mallocUint32(12*(v-1)),x=y.length,_=b.length,s=v,w=0;s>1;){var M=--s,m=d[2*s],g=d[2*s+1],k=M-1,A=d[2*k],T=d[2*k+1];if(!(isNaN(m)||isNaN(g)||isNaN(A)||isNaN(T))){w+=1,m=(m-p[0])/(p[2]-p[0]),g=(g-p[1])/(p[3]-p[1]),A=(A-p[0])/(p[2]-p[0]),T=(T-p[1])/(p[3]-p[1]);var E=A-m,S=T-g,L=M|1<<24,z=M-1,I=M,P=M-1|1<<24;y[--x]=-S,y[--x]=-E,y[--x]=g,y[--x]=m,b[--_]=L,b[--_]=z,y[--x]=S,y[--x]=E,y[--x]=T,y[--x]=A,b[--_]=I,b[--_]=P,y[--x]=-S,y[--x]=-E,y[--x]=T,y[--x]=A,b[--_]=I,b[--_]=P,y[--x]=S,y[--x]=E,y[--x]=T,y[--x]=A,b[--_]=I,b[--_]=P,y[--x]=-S,y[--x]=-E,y[--x]=g,y[--x]=m,b[--_]=L,b[--_]=z,y[--x]=S,y[--x]=E,y[--x]=g,y[--x]=m,b[--_]=L,b[--_]=z}}this.vertCount=6*w,this.lineBuffer.update(y.subarray(x)),this.pickBuffer.update(b.subarray(_)),c.free(y),c.free(b)}},f.dispose=function(){this.plot.removeObject(this),this.lineBuffer.dispose(),this.pickBuffer.dispose(),this.lineShader.dispose(),this.mitreShader.dispose(),this.fillShader.dispose(),this.pickShader.dispose(),this.dashPattern.dispose()}},{"./lib/shaders":130,"gl-buffer":124,"gl-shader":203,"gl-texture2d":228,ndarray:433,"typedarray-pool":458}],132:[function(t,e,r){var n=t("gl-shader"),i="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position, nextPosition;\nattribute float arcLength, lineWidth;\nattribute vec4 color;\n\nuniform vec2 screenShape;\nuniform float pixelRatio;\nuniform mat4 model, view, projection;\n\nvarying vec4 fragColor;\nvarying vec3 worldPosition;\nvarying float pixelArcLength;\n\nvoid main() {\n vec4 projected = projection * view * model * vec4(position, 1.0);\n vec4 tangentClip = projection * view * model * vec4(nextPosition - position, 0.0);\n vec2 tangent = normalize(screenShape * tangentClip.xy);\n vec2 offset = 0.5 * pixelRatio * lineWidth * vec2(tangent.y, -tangent.x) / screenShape;\n\n gl_Position = vec4(projected.xy + projected.w * offset, projected.zw);\n\n worldPosition = position;\n pixelArcLength = arcLength;\n fragColor = color;\n}\n",o="precision mediump float;\n#define GLSLIFY 1\n\nuniform vec3 clipBounds[2];\nuniform sampler2D dashTexture;\nuniform float dashScale;\nuniform float opacity;\n\nvarying vec3 worldPosition;\nvarying float pixelArcLength;\nvarying vec4 fragColor;\n\nvoid main() {\n if(any(lessThan(worldPosition, clipBounds[0])) || any(greaterThan(worldPosition, clipBounds[1]))) {\n discard;\n }\n float dashWeight = texture2D(dashTexture, vec2(dashScale * pixelArcLength, 0)).r;\n if(dashWeight < 0.5) {\n discard;\n }\n gl_FragColor = fragColor * opacity;\n}\n",a="precision mediump float;\n#define GLSLIFY 1\n\n#define FLOAT_MAX 1.70141184e38\n#define FLOAT_MIN 1.17549435e-38\n\nlowp vec4 encode_float_1_0(highp float v) {\n highp float av = abs(v);\n\n //Handle special cases\n if(av < FLOAT_MIN) {\n return vec4(0.0, 0.0, 0.0, 0.0);\n } else if(v > FLOAT_MAX) {\n return vec4(127.0, 128.0, 0.0, 0.0) / 255.0;\n } else if(v < -FLOAT_MAX) {\n return vec4(255.0, 128.0, 0.0, 0.0) / 255.0;\n }\n\n highp vec4 c = vec4(0,0,0,0);\n\n //Compute exponent and mantissa\n highp float e = floor(log2(av));\n highp float m = av * pow(2.0, -e) - 1.0;\n \n //Unpack mantissa\n c[1] = floor(128.0 * m);\n m -= c[1] / 128.0;\n c[2] = floor(32768.0 * m);\n m -= c[2] / 32768.0;\n c[3] = floor(8388608.0 * m);\n \n //Unpack exponent\n highp float ebias = e + 127.0;\n c[0] = floor(ebias / 2.0);\n ebias -= c[0] * 2.0;\n c[1] += floor(ebias) * 128.0; \n\n //Unpack sign bit\n c[0] += 128.0 * step(0.0, -v);\n\n //Scale back to range\n return c / 255.0;\n}\n\n\n\nuniform float pickId;\nuniform vec3 clipBounds[2];\n\nvarying vec3 worldPosition;\nvarying float pixelArcLength;\nvarying vec4 fragColor;\n\nvoid main() {\n if(any(lessThan(worldPosition, clipBounds[0])) || any(greaterThan(worldPosition, clipBounds[1]))) {\n discard;\n }\n gl_FragColor = vec4(pickId/255.0, encode_float_1_0(pixelArcLength).xyz);\n}",s=[{name:"position",type:"vec3"},{name:"nextPosition",type:"vec3"},{name:"arcLength",type:"float"},{name:"lineWidth",type:"float"},{name:"color",type:"vec4"}];r.createShader=function(t){return n(t,i,o,null,s)},r.createPickShader=function(t){return n(t,i,a,null,s)}},{"gl-shader":203}],133:[function(t,e,r){"use strict";function n(t,e){for(var r=0,n=0;3>n;++n){var i=t[n]-e[n];r+=i*i}return Math.sqrt(r)}function i(t){for(var e=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]],r=0;3>r;++r)e[0][r]=Math.max(t[0][r],e[0][r]),e[1][r]=Math.min(t[1][r],e[1][r]);return e}function o(t,e,r,n){this.arcLength=t,this.position=e,this.index=r,this.dataCoordinate=n}function a(t,e,r,n,i,o){this.gl=t,this.shader=e,this.pickShader=r,this.buffer=n,this.vao=i,this.clipBounds=[[-(1/0),-(1/0),-(1/0)],[1/0,1/0,1/0]],this.points=[],this.arcLength=[],this.vertexCount=0,this.bounds=[[0,0,0],[0,0,0]],this.pickId=0,this.lineWidth=1,this.texture=o,this.dashScale=1,this.opacity=1,this.dirty=!0,this.pixelRatio=1}function s(t){var e=t.gl||t.scene&&t.scene.gl,r=v(e);r.attributes.position.location=0,r.attributes.nextPosition.location=1,r.attributes.arcLength.location=2,r.attributes.lineWidth.location=3,r.attributes.color.location=4;var n=m(e);n.attributes.position.location=0,n.attributes.nextPosition.location=1,n.attributes.arcLength.location=2,n.attributes.lineWidth.location=3,n.attributes.color.location=4;for(var i=l(e),o=u(e,[{buffer:i,size:3,offset:0,stride:48},{buffer:i,size:3,offset:12,stride:48},{buffer:i,size:1,offset:24,stride:48},{buffer:i,size:1,offset:28,stride:48},{buffer:i,size:4,offset:32,stride:48}]),s=d(new Array(1024),[256,1,4]),h=0;1024>h;++h)s.data[h]=255;var f=c(e,s);f.wrap=e.REPEAT;var p=new a(e,r,n,i,o,f);return p.update(t),p}e.exports=s;var l=t("gl-buffer"),u=t("gl-vao"),c=t("gl-texture2d"),h=t("glsl-read-float"),f=t("binary-search-bounds"),d=t("ndarray"),p=t("./lib/shaders"),v=p.createShader,m=p.createPickShader,g=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],y=a.prototype;y.isTransparent=function(){return this.opacity<1},y.isOpaque=function(){return this.opacity>=1},y.pickSlots=1,y.setPickBase=function(t){this.pickId=t},y.drawTransparent=y.draw=function(t){var e=this.gl,r=this.shader,n=this.vao;r.bind(),r.uniforms={model:t.model||g,view:t.view||g,projection:t.projection||g,clipBounds:i(this.clipBounds),dashTexture:this.texture.bind(),dashScale:this.dashScale/this.arcLength[this.arcLength.length-1],opacity:this.opacity,screenShape:[e.drawingBufferWidth,e.drawingBufferHeight],pixelRatio:this.pixelRatio},n.bind(),n.draw(e.TRIANGLE_STRIP,this.vertexCount)},y.drawPick=function(t){var e=this.gl,r=this.pickShader,n=this.vao;r.bind(),r.uniforms={model:t.model||g,view:t.view||g,projection:t.projection||g,pickId:this.pickId,clipBounds:i(this.clipBounds),screenShape:[e.drawingBufferWidth,e.drawingBufferHeight],pixelRatio:this.pixelRatio},n.bind(),n.draw(e.TRIANGLE_STRIP,this.vertexCount)},y.update=function(t){var e,r;this.dirty=!0;var i=!!t.connectGaps;"dashScale"in t&&(this.dashScale=t.dashScale),"opacity"in t&&(this.opacity=+t.opacity);var o=t.position||t.positions;if(o){var a=t.color||t.colors||[0,0,0,1],s=t.lineWidth||1,l=[],u=[],c=[],h=0,p=0,v=[[1/0,1/0,1/0],[-(1/0),-(1/0),-(1/0)]],m=!1;t:for(e=1;er;++r){if(isNaN(g[r])||isNaN(y[r])||!isFinite(g[r])||!isFinite(y[r])){if(!i&&l.length>0){for(var b=0;24>b;++b)l.push(l[l.length-12]);p+=2,m=!0}continue t}v[0][r]=Math.min(v[0][r],g[r],y[r]),v[1][r]=Math.max(v[1][r],g[r],y[r])}var x,_;Array.isArray(a[0])?(x=a[e-1],_=a[e]):x=_=a,3===x.length&&(x=[x[0],x[1],x[2],1]),3===_.length&&(_=[_[0],_[1],_[2],1]);var w;w=Array.isArray(s)?s[e-1]:s;var M=h;if(h+=n(g,y),m){for(r=0;2>r;++r)l.push(g[0],g[1],g[2],y[0],y[1],y[2],M,w,x[0],x[1],x[2],x[3]);p+=2,m=!1}l.push(g[0],g[1],g[2],y[0],y[1],y[2],M,w,x[0],x[1],x[2],x[3],g[0],g[1],g[2],y[0],y[1],y[2],M,-w,x[0],x[1],x[2],x[3],y[0],y[1],y[2],g[0],g[1],g[2],h,-w,_[0],_[1],_[2],_[3],y[0],y[1],y[2],g[0],g[1],g[2],h,w,_[0],_[1],_[2],_[3]),p+=4}if(this.buffer.update(l),u.push(h),c.push(o[o.length-1].slice()),this.bounds=v,this.vertexCount=p,this.points=c,this.arcLength=u,"dashes"in t){var k=t.dashes,A=k.slice();for(A.unshift(0),e=1;ee;++e){for(r=0;4>r;++r)T.set(e,0,r,0);1&f.le(A,A[A.length-1]*e/255)?T.set(e,0,0,0):T.set(e,0,0,255)}this.texture.setPixels(T)}}},y.dispose=function(){this.shader.dispose(),this.vao.dispose(),this.buffer.dispose()},y.pick=function(t){if(!t)return null;if(t.id!==this.pickId)return null;var e=h(t.value[0],t.value[1],t.value[2],0),r=f.le(this.arcLength,e);if(0>r)return null;if(r===this.arcLength.length-1)return new o(this.arcLength[this.arcLength.length-1],this.points[this.points.length-1].slice(),r);for(var n=this.points[r],i=this.points[Math.min(r+1,this.points.length-1)],a=(e-this.arcLength[r])/(this.arcLength[r+1]-this.arcLength[r]),s=1-a,l=[0,0,0],u=0;3>u;++u)l[u]=s*n[u]+a*i[u];var c=Math.min(.5>a?r:r+1,this.points.length-1);return new o(e,l,c,this.points[c])}},{"./lib/shaders":132,"binary-search-bounds":134,"gl-buffer":124,"gl-texture2d":228,"gl-vao":232,"glsl-read-float":135,ndarray:433}],134:[function(t,e,r){arguments[4][22][0].apply(r,arguments)},{dup:22}],135:[function(t,e,r){function n(t,e,r,n){return i[0]=n,i[1]=r,i[2]=e,i[3]=t,o[0]}e.exports=n;var i=new Uint8Array(4),o=new Float32Array(i.buffer)},{}],136:[function(t,e,r){function n(t,e){var r=e[0],n=e[1],i=e[2],o=e[3],a=e[4],s=e[5],l=e[6],u=e[7],c=e[8],h=c*a-s*u,f=-c*o+s*l,d=u*o-a*l,p=r*h+n*f+i*d;return p?(p=1/p,t[0]=h*p,t[1]=(-c*n+i*u)*p,t[2]=(s*n-i*a)*p,t[3]=f*p,t[4]=(c*r-i*l)*p,t[5]=(-s*r+i*o)*p,t[6]=d*p,t[7]=(-u*r+n*l)*p,t[8]=(a*r-n*o)*p,t):null}e.exports=n},{}],137:[function(t,e,r){function n(t){var e=new Float32Array(16);return e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e[9]=t[9],e[10]=t[10],e[11]=t[11],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15],e}e.exports=n},{}],138:[function(t,e,r){function n(){var t=new Float32Array(16);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}e.exports=n},{}],139:[function(t,e,r){function n(t){var e=t[0],r=t[1],n=t[2],i=t[3],o=t[4],a=t[5],s=t[6],l=t[7],u=t[8],c=t[9],h=t[10],f=t[11],d=t[12],p=t[13],v=t[14],m=t[15],g=e*a-r*o,y=e*s-n*o,b=e*l-i*o,x=r*s-n*a,_=r*l-i*a,w=n*l-i*s,M=u*p-c*d,k=u*v-h*d,A=u*m-f*d,T=c*v-h*p,E=c*m-f*p,S=h*m-f*v;return g*S-y*E+b*T+x*A-_*k+w*M}e.exports=n},{}],140:[function(t,e,r){function n(t,e){var r=e[0],n=e[1],i=e[2],o=e[3],a=r+r,s=n+n,l=i+i,u=r*a,c=n*a,h=n*s,f=i*a,d=i*s,p=i*l,v=o*a,m=o*s,g=o*l;return t[0]=1-h-p,t[1]=c+g,t[2]=f-m,t[3]=0,t[4]=c-g,t[5]=1-u-p,t[6]=d+v,t[7]=0,t[8]=f+m,t[9]=d-v,t[10]=1-u-h,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}e.exports=n},{}],141:[function(t,e,r){function n(t,e,r){var n=e[0],i=e[1],o=e[2],a=e[3],s=n+n,l=i+i,u=o+o,c=n*s,h=n*l,f=n*u,d=i*l,p=i*u,v=o*u,m=a*s,g=a*l,y=a*u;return t[0]=1-(d+v),t[1]=h+y,t[2]=f-g,t[3]=0,t[4]=h-y,t[5]=1-(c+v),t[6]=p+m,t[7]=0,t[8]=f+g,t[9]=p-m,t[10]=1-(c+d),t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t}e.exports=n},{}],142:[function(t,e,r){function n(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}e.exports=n},{}],143:[function(t,e,r){function n(t,e){var r=e[0],n=e[1],i=e[2],o=e[3],a=e[4],s=e[5],l=e[6],u=e[7],c=e[8],h=e[9],f=e[10],d=e[11],p=e[12],v=e[13],m=e[14],g=e[15],y=r*s-n*a,b=r*l-i*a,x=r*u-o*a,_=n*l-i*s,w=n*u-o*s,M=i*u-o*l,k=c*v-h*p,A=c*m-f*p,T=c*g-d*p,E=h*m-f*v,S=h*g-d*v,L=f*g-d*m,z=y*L-b*S+x*E+_*T-w*A+M*k;return z?(z=1/z,t[0]=(s*L-l*S+u*E)*z,t[1]=(i*S-n*L-o*E)*z,t[2]=(v*M-m*w+g*_)*z,t[3]=(f*w-h*M-d*_)*z,t[4]=(l*T-a*L-u*A)*z,t[5]=(r*L-i*T+o*A)*z,t[6]=(m*x-p*M-g*b)*z,t[7]=(c*M-f*x+d*b)*z,t[8]=(a*S-s*T+u*k)*z,t[9]=(n*T-r*S-o*k)*z,t[10]=(p*w-v*x+g*y)*z,t[11]=(h*x-c*w-d*y)*z,t[12]=(s*A-a*E-l*k)*z,t[13]=(r*E-n*A+i*k)*z,t[14]=(v*b-p*_-m*y)*z,t[15]=(c*_-h*b+f*y)*z,t):null}e.exports=n},{}],144:[function(t,e,r){function n(t,e,r,n){var o,a,s,l,u,c,h,f,d,p,v=e[0],m=e[1],g=e[2],y=n[0],b=n[1],x=n[2],_=r[0],w=r[1],M=r[2];return Math.abs(v-_)<1e-6&&Math.abs(m-w)<1e-6&&Math.abs(g-M)<1e-6?i(t):(h=v-_,f=m-w,d=g-M,p=1/Math.sqrt(h*h+f*f+d*d),h*=p,f*=p,d*=p,o=b*d-x*f,a=x*h-y*d,s=y*f-b*h,p=Math.sqrt(o*o+a*a+s*s),p?(p=1/p,o*=p,a*=p,s*=p):(o=0,a=0,s=0),l=f*s-d*a,u=d*o-h*s,c=h*a-f*o,p=Math.sqrt(l*l+u*u+c*c),p?(p=1/p,l*=p,u*=p,c*=p):(l=0,u=0,c=0),t[0]=o,t[1]=l,t[2]=h,t[3]=0,t[4]=a,t[5]=u,t[6]=f,t[7]=0,t[8]=s,t[9]=c,t[10]=d,t[11]=0,t[12]=-(o*v+a*m+s*g),t[13]=-(l*v+u*m+c*g),t[14]=-(h*v+f*m+d*g),t[15]=1,t)}var i=t("./identity");e.exports=n},{"./identity":142}],145:[function(t,e,r){function n(t,e,r){var n=e[0],i=e[1],o=e[2],a=e[3],s=e[4],l=e[5],u=e[6],c=e[7],h=e[8],f=e[9],d=e[10],p=e[11],v=e[12],m=e[13],g=e[14],y=e[15],b=r[0],x=r[1],_=r[2],w=r[3];return t[0]=b*n+x*s+_*h+w*v,t[1]=b*i+x*l+_*f+w*m,t[2]=b*o+x*u+_*d+w*g,t[3]=b*a+x*c+_*p+w*y,b=r[4],x=r[5],_=r[6],w=r[7],t[4]=b*n+x*s+_*h+w*v,t[5]=b*i+x*l+_*f+w*m,t[6]=b*o+x*u+_*d+w*g,t[7]=b*a+x*c+_*p+w*y,b=r[8],x=r[9],_=r[10],w=r[11],t[8]=b*n+x*s+_*h+w*v,t[9]=b*i+x*l+_*f+w*m,t[10]=b*o+x*u+_*d+w*g,t[11]=b*a+x*c+_*p+w*y,b=r[12],x=r[13],_=r[14],w=r[15],t[12]=b*n+x*s+_*h+w*v,t[13]=b*i+x*l+_*f+w*m,t[14]=b*o+x*u+_*d+w*g,t[15]=b*a+x*c+_*p+w*y,t}e.exports=n},{}],146:[function(t,e,r){function n(t,e,r,n,i){var o=1/Math.tan(e/2),a=1/(n-i);return t[0]=o/r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=o,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=(i+n)*a,t[11]=-1,t[12]=0,t[13]=0,t[14]=2*i*n*a,t[15]=0,t}e.exports=n},{}],147:[function(t,e,r){function n(t,e,r,n){var i,o,a,s,l,u,c,h,f,d,p,v,m,g,y,b,x,_,w,M,k,A,T,E,S=n[0],L=n[1],z=n[2],I=Math.sqrt(S*S+L*L+z*z);return Math.abs(I)<1e-6?null:(I=1/I,S*=I,L*=I,z*=I,i=Math.sin(r),o=Math.cos(r),a=1-o,s=e[0],l=e[1],u=e[2],c=e[3],h=e[4],f=e[5],d=e[6],p=e[7],v=e[8],m=e[9],g=e[10],y=e[11],b=S*S*a+o,x=L*S*a+z*i,_=z*S*a-L*i,w=S*L*a-z*i,M=L*L*a+o,k=z*L*a+S*i,A=S*z*a+L*i,T=L*z*a-S*i,E=z*z*a+o,t[0]=s*b+h*x+v*_,t[1]=l*b+f*x+m*_,t[2]=u*b+d*x+g*_,t[3]=c*b+p*x+y*_,t[4]=s*w+h*M+v*k,t[5]=l*w+f*M+m*k,t[6]=u*w+d*M+g*k,t[7]=c*w+p*M+y*k,t[8]=s*A+h*T+v*E,t[9]=l*A+f*T+m*E,t[10]=u*A+d*T+g*E,t[11]=c*A+p*T+y*E,e!==t&&(t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t)}e.exports=n},{}],148:[function(t,e,r){function n(t,e,r){var n=Math.sin(r),i=Math.cos(r),o=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],h=e[10],f=e[11];return e!==t&&(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[4]=o*i+u*n,t[5]=a*i+c*n,t[6]=s*i+h*n,t[7]=l*i+f*n,t[8]=u*i-o*n,t[9]=c*i-a*n,t[10]=h*i-s*n,t[11]=f*i-l*n,t}e.exports=n},{}],149:[function(t,e,r){function n(t,e,r){var n=Math.sin(r),i=Math.cos(r),o=e[0],a=e[1],s=e[2],l=e[3],u=e[8],c=e[9],h=e[10],f=e[11];return e!==t&&(t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=o*i-u*n,t[1]=a*i-c*n,t[2]=s*i-h*n,t[3]=l*i-f*n,t[8]=o*n+u*i,t[9]=a*n+c*i,t[10]=s*n+h*i,t[11]=l*n+f*i,t}e.exports=n},{}],150:[function(t,e,r){function n(t,e,r){var n=Math.sin(r),i=Math.cos(r),o=e[0],a=e[1],s=e[2],l=e[3],u=e[4],c=e[5],h=e[6],f=e[7];return e!==t&&(t[8]=e[8],t[9]=e[9],t[10]=e[10],t[11]=e[11],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=o*i+u*n,t[1]=a*i+c*n,t[2]=s*i+h*n,t[3]=l*i+f*n,t[4]=u*i-o*n,t[5]=c*i-a*n,t[6]=h*i-s*n,t[7]=f*i-l*n,t}e.exports=n},{}],151:[function(t,e,r){function n(t,e,r){var n=r[0],i=r[1],o=r[2];return t[0]=e[0]*n,t[1]=e[1]*n,t[2]=e[2]*n,t[3]=e[3]*n,t[4]=e[4]*i,t[5]=e[5]*i,t[6]=e[6]*i,t[7]=e[7]*i,t[8]=e[8]*o,t[9]=e[9]*o,t[10]=e[10]*o,t[11]=e[11]*o,t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15],t}e.exports=n},{}],152:[function(t,e,r){function n(t,e,r){var n,i,o,a,s,l,u,c,h,f,d,p,v=r[0],m=r[1],g=r[2];return e===t?(t[12]=e[0]*v+e[4]*m+e[8]*g+e[12],t[13]=e[1]*v+e[5]*m+e[9]*g+e[13],t[14]=e[2]*v+e[6]*m+e[10]*g+e[14],t[15]=e[3]*v+e[7]*m+e[11]*g+e[15]):(n=e[0],i=e[1],o=e[2],a=e[3],s=e[4],l=e[5],u=e[6],c=e[7],h=e[8],f=e[9],d=e[10],p=e[11],t[0]=n,t[1]=i,t[2]=o,t[3]=a,t[4]=s,t[5]=l,t[6]=u,t[7]=c,t[8]=h,t[9]=f,t[10]=d,t[11]=p,t[12]=n*v+s*m+h*g+e[12],t[13]=i*v+l*m+f*g+e[13],t[14]=o*v+u*m+d*g+e[14],t[15]=a*v+c*m+p*g+e[15]),t}e.exports=n},{}],153:[function(t,e,r){function n(t,e){if(t===e){var r=e[1],n=e[2],i=e[3],o=e[6],a=e[7],s=e[11];t[1]=e[4],t[2]=e[8],t[3]=e[12],t[4]=r,t[6]=e[9],t[7]=e[13],t[8]=n,t[9]=o,t[11]=e[14],t[12]=i,t[13]=a,t[14]=s}else 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v=o(u,e),m=0,c=0;3>c;++c){if(v[c]<-.001||v[c]>1.0001)return null;m+=v[c]}return Math.abs(m-1)>.001?null:[h,a(t,v),v]}var l=t("barycentric"),u=t("polytope-closest-point/lib/closest_point_2d.js");e.exports=s},{barycentric:157,"polytope-closest-point/lib/closest_point_2d.js":159}],155:[function(t,e,r){var n="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position, normal;\nattribute vec4 color;\nattribute vec2 uv;\n\nuniform mat4 model\n , view\n , projection;\nuniform vec3 eyePosition\n , lightPosition;\n\nvarying vec3 f_normal\n , f_lightDirection\n , f_eyeDirection\n , f_data;\nvarying vec4 f_color;\nvarying vec2 f_uv;\n\nvoid main() {\n vec4 m_position = model * vec4(position, 1.0);\n vec4 t_position = view * m_position;\n gl_Position = projection * t_position;\n f_color = color;\n f_normal = normal;\n f_data = position;\n f_eyeDirection = eyePosition - position;\n f_lightDirection = lightPosition - position;\n f_uv = uv;\n}",i="precision mediump float;\n#define GLSLIFY 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vec3 position;\n\nuniform mat4 model, view, projection;\n\nvoid main() {\n gl_Position = projection * view * model * vec4(position, 1.0);\n}",d="precision mediump float;\n#define GLSLIFY 1\n\nuniform vec3 contourColor;\n\nvoid main() {\n gl_FragColor = 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k=0;3>k;++k){this.lineEnable[k]&&this._lines.drawAxisLine(k,this.bounds,A[k].primalOffset,this.lineColor[k],this.lineWidth[k]*this.pixelRatio),this.lineMirror[k]&&this._lines.drawAxisLine(k,this.bounds,A[k].mirrorOffset,this.lineColor[k],this.lineWidth[k]*this.pixelRatio);for(var I=n(y,A[k].primalMinor),P=n(b,A[k].mirrorMinor),C=this.lineTickLength,S=0;3>S;++S){var R=M/r[5*S];I[S]*=C[S]*R,P[S]*=C[S]*R}this.lineTickEnable[k]&&this._lines.drawAxisTicks(k,A[k].primalOffset,I,this.lineTickColor[k],this.lineTickWidth[k]*this.pixelRatio),this.lineTickMirror[k]&&this._lines.drawAxisTicks(k,A[k].mirrorOffset,P,this.lineTickColor[k],this.lineTickWidth[k]*this.pixelRatio)}this._text.bind(r,i,o,this.pixelRatio);for(var k=0;3>k;++k){for(var D=A[k].primalMinor,O=n(x,A[k].primalOffset),S=0;3>S;++S)this.lineTickEnable[k]&&(O[S]+=M*D[S]*Math.max(this.lineTickLength[S],0)/r[5*S]);if(this.tickEnable[k]){for(var S=0;3>S;++S)O[S]+=M*D[S]*this.tickPad[S]/r[5*S];this._text.drawTicks(k,this.tickSize[k],this.tickAngle[k],O,this.tickColor[k])}if(this.labelEnable[k]){for(var S=0;3>S;++S)O[S]+=M*D[S]*this.labelPad[S]/r[5*S];O[k]+=.5*(s[0][k]+s[1][k]),this._text.drawLabel(k,this.labelSize[k],this.labelAngle[k],O,this.labelColor[k])}}},p.dispose=function(){this._text.dispose(),this._lines.dispose(),this._background.dispose(),this._lines=null,this._text=null,this._background=null,this.gl=null}},{"./lib/background.js":177,"./lib/cube.js":178,"./lib/lines.js":179,"./lib/text.js":181,"./lib/ticks.js":182}],177:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.buffer=e,this.vao=r,this.shader=n}function i(t){for(var e=[],r=[],i=0,l=0;3>l;++l)for(var u=(l+1)%3,c=(l+2)%3,h=[0,0,0],f=[0,0,0],d=-1;1>=d;d+=2){r.push(i,i+2,i+1,i+1,i+2,i+3),h[l]=d,f[l]=d;for(var p=-1;1>=p;p+=2){h[u]=p;for(var v=-1;1>=v;v+=2)h[c]=v,e.push(h[0],h[1],h[2],f[0],f[1],f[2]),i+=1}var m=u;u=c,c=m}var g=o(t,new 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a=-1;a*e[i]>=t[0][i];--a)o.push({x:a*e[i],text:n(e[i],a)});r.push(o)}return r}function o(t,e){for(var r=0;3>r;++r){if(t[r].length!==e[r].length)return!1;for(var n=0;no?o=0:o>1&&(o=1);for(var a=1-o,s=t.length,l=new Array(s),u=0;s>u;++u)l[u]=o*t[u]+a*r[u];return l}function o(t,e){for(var r=[],o=[],a=n(t[t.length-1],e),s=t[t.length-1],l=t[0],u=0;ua&&c>0||a>0&&0>c){var h=i(s,c,l,a);r.push(h),o.push(h.slice())}0>c?o.push(l.slice()):c>0?r.push(l.slice()):(r.push(l.slice()),o.push(l.slice())),a=c}return{positive:r,negative:o}}function a(t,e){for(var r=[],o=n(t[t.length-1],e),a=t[t.length-1],s=t[0],l=0;lo&&u>0||o>0&&0>u)&&r.push(i(a,u,s,o)),u>=0&&r.push(s.slice()),o=u}return r}function s(t,e){for(var r=[],o=n(t[t.length-1],e),a=t[t.length-1],s=t[0],l=0;lo&&u>0||o>0&&0>u)&&r.push(i(a,u,s,o)),0>=u&&r.push(s.slice()),o=u}return r}var l=t("robust-dot-product"),u=t("robust-sum");e.exports=o,e.exports.positive=a,e.exports.negative=s},{"robust-dot-product":185,"robust-sum":442}],185:[function(t,e,r){"use strict";function n(t,e){for(var r=i(t[0],e[0]),n=1;no;++o){for(var a=p,s=v,l=0;3>l;++l)s[l]=a[l]=r[l];s[3]=a[3]=1,s[o]+=1,h(s,s,e),s[3]<0&&(t[o]=1/0),a[o]-=1,h(a,a,e),a[3]<0&&(t[o]=1/0);var u=(a[0]/a[3]-s[0]/s[3])*n,c=(a[1]/a[3]-s[1]/s[3])*i;t[o]=.25*Math.sqrt(u*u+c*c)}return t}function o(t,e,r,n,o){var h=e.model||f,p=e.view||f,v=e.projection||f,y=t.bounds,o=o||l(h,p,v,y),b=o.axis;o.edges;u(d,p,h),u(d,v,d);for(var x=m,_=0;3>_;++_)x[_].lo=1/0,x[_].hi=-(1/0),x[_].pixelsPerDataUnit=1/0;var w=a(c(d,d));c(d,d);for(var M=0;3>M;++M){var k=(M+1)%3,A=(M+2)%3,T=g;t:for(var _=0;2>_;++_){var E=[];if(b[M]<0!=!!_){T[M]=y[_][M];for(var S=0;2>S;++S){T[k]=y[S^_][k];for(var L=0;2>L;++L)T[A]=y[L^S^_][A],E.push(T.slice())}for(var S=0;SL;++L)x[L].lo=Math.min(x[L].lo,A[L]),x[L].hi=Math.max(x[L].hi,A[L]),L!==M&&(x[L].pixelsPerDataUnit=Math.min(x[L].pixelsPerDataUnit,Math.abs(z[L])))}}}return x}e.exports=o;var a=t("extract-frustum-planes"),s=t("split-polygon"),l=t("./lib/cube.js"),u=t("gl-mat4/multiply"),c=t("gl-mat4/transpose"),h=t("gl-vec4/transformMat4"),f=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),d=new Float32Array(16),p=[0,0,0,1],v=[0,0,0,1],m=[new n(1/0,-(1/0),1/0),new n(1/0,-(1/0),1/0),new n(1/0,-(1/0),1/0)],g=[0,0,0]},{"./lib/cube.js":178,"extract-frustum-planes":183,"gl-mat4/multiply":145,"gl-mat4/transpose":153,"gl-vec4/transformMat4":233,"split-polygon":184}],187:[function(t,e,r){"use strict";var n=t("gl-shader"),i="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position, color;\nattribute float weight;\n\nuniform mat4 model, view, projection;\nuniform vec3 coordinates[3];\nuniform vec4 colors[3];\nuniform vec2 screenShape;\nuniform float lineWidth;\n\nvarying vec4 fragColor;\n\nvoid main() {\n vec3 vertexPosition = mix(coordinates[0],\n mix(coordinates[2], coordinates[1], 0.5 * (position + 1.0)), abs(position));\n\n vec4 clipPos = projection * view * model * vec4(vertexPosition, 1.0);\n vec2 clipOffset = (projection * view * model * vec4(color, 0.0)).xy;\n vec2 delta = weight * clipOffset * screenShape;\n vec2 lineOffset = normalize(vec2(delta.y, -delta.x)) / screenShape;\n\n gl_Position = vec4(clipPos.xy + clipPos.w * 0.5 * lineWidth * lineOffset, clipPos.z, clipPos.w);\n fragColor = color.x * colors[0] + color.y * colors[1] + color.z * colors[2];\n}\n",o="precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor;\n\nvoid main() {\n gl_FragColor = fragColor;\n}";e.exports=function(t){return n(t,i,o,null,[{name:"position",type:"vec3"},{name:"color",type:"vec3"},{name:"weight",type:"float"}])}},{"gl-shader":203}],188:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.buffer=e,this.vao=r,this.shader=n,this.pixelRatio=1,this.bounds=[[-1e3,-1e3,-1e3],[1e3,1e3,1e3]],this.position=[0,0,0],this.lineWidth=[2,2,2],this.colors=[[0,0,0,1],[0,0,0,1],[0,0,0,1]],this.enabled=[!0,!0,!0],this.drawSides=[!0,!0,!0],this.axes=null}function i(t,e){function r(t,e,r,n,o,a){var s=[t,e,r,0,0,0,1];s[n+3]=1,s[n]=o,i.push.apply(i,s),s[6]=-1,i.push.apply(i,s),s[n]=a,i.push.apply(i,s),i.push.apply(i,s),s[6]=1,i.push.apply(i,s),s[n]=o,i.push.apply(i,s)}var i=[];r(0,0,0,0,0,1),r(0,0,0,1,0,1),r(0,0,0,2,0,1),r(1,0,0,1,-1,1),r(1,0,0,2,-1,1),r(0,1,0,0,-1,1),r(0,1,0,2,-1,1),r(0,0,1,0,-1,1),r(0,0,1,1,-1,1);var l=o(t,i),u=a(t,[{type:t.FLOAT,buffer:l,size:3,offset:0,stride:28},{type:t.FLOAT,buffer:l,size:3,offset:12,stride:28},{type:t.FLOAT,buffer:l,size:1,offset:24,stride:28}]),c=s(t);c.attributes.position.location=0,c.attributes.color.location=1,c.attributes.weight.location=2;var h=new n(t,l,u,c);return h.update(e),h}var o=t("gl-buffer"),a=t("gl-vao"),s=t("./shaders/index");e.exports=i;var l=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],u=n.prototype,c=[0,0,0],h=[0,0,0],f=[0,0];u.isTransparent=function(){return!1},u.drawTransparent=function(t){},u.draw=function(t){var e=this.gl,r=this.vao,n=this.shader;r.bind(),n.bind();var i,o=t.model||l,a=t.view||l,s=t.projection||l;this.axes&&(i=this.axes.lastCubeProps.axis);for(var u=c,d=h,p=0;3>p;++p)i&&i[p]<0?(u[p]=this.bounds[0][p],d[p]=this.bounds[1][p]):(u[p]=this.bounds[1][p],d[p]=this.bounds[0][p]);f[0]=e.drawingBufferWidth,f[1]=e.drawingBufferHeight,n.uniforms.model=o,n.uniforms.view=a,n.uniforms.projection=s,n.uniforms.coordinates=[this.position,u,d],n.uniforms.colors=this.colors,n.uniforms.screenShape=f;for(var p=0;3>p;++p)n.uniforms.lineWidth=this.lineWidth[p]*this.pixelRatio,this.enabled[p]&&(r.draw(e.TRIANGLES,6,6*p),this.drawSides[p]&&r.draw(e.TRIANGLES,12,18+12*p));r.unbind()},u.update=function(t){t&&("bounds"in t&&(this.bounds=t.bounds),"position"in t&&(this.position=t.position),"lineWidth"in t&&(this.lineWidth=t.lineWidth),"colors"in t&&(this.colors=t.colors),"enabled"in t&&(this.enabled=t.enabled),"drawSides"in t&&(this.drawSides=t.drawSides))},u.dispose=function(){this.vao.dispose(),this.buffer.dispose(),this.shader.dispose()}},{"./shaders/index":187,"gl-buffer":124,"gl-vao":232}],189:[function(t,e,r){"use strict";function n(){this.mouse=[-1,-1],this.screen=null,this.distance=1/0,this.index=null,this.dataCoordinate=null,this.dataPosition=null,this.object=null,this.data=null}function i(t,e){var r=null;try{r=t.getContext("webgl",e),r||(r=t.getContext("experimental-webgl",e))}catch(n){return null}return r}function o(t){var e=Math.round(Math.log(Math.abs(t))/Math.log(10));if(0>e){var r=Math.round(Math.pow(10,-e));return Math.ceil(t*r)/r}if(e>0){var r=Math.round(Math.pow(10,e));return Math.ceil(t/r)*r}return Math.ceil(t)}function a(t){return"boolean"==typeof t?t:!0}function s(t){function e(){if(!_&&G.autoResize){var t=w.parentNode,e=1,r=1;t&&t!==document.body?(e=t.clientWidth,r=t.clientHeight):(e=window.innerWidth,r=window.innerHeight);var n=0|Math.ceil(e*G.pixelRatio),i=0|Math.ceil(r*G.pixelRatio);if(n!==w.width||i!==w.height){w.width=n,w.height=i;var o=w.style;o.position=o.position||"absolute",o.left="0px",o.top="0px",o.width=e+"px",o.height=r+"px",j=!0}}}function r(){for(var t=R.length,e=F.length,r=0;e>r;++r)O[r]=0;t:for(var r=0;t>r;++r){var n=R[r],i=n.pickSlots;if(i){for(var o=0;e>o;++o)if(O[o]+i<255){D[r]=o,n.setPickBase(O[o]+1),O[o]+=i;continue t}var a=f(k,q);D[r]=e,F.push(a),O.push(i),n.setPickBase(1),e+=1}else D[r]=-1}for(;e>0&&0===O[e-1];)O.pop(),F.pop().dispose()}function s(){return G.contextLost?!0:void(k.isContextLost()&&(G.contextLost=!0,G.mouseListener.enabled=!1,G.selection.object=null,G.oncontextloss&&G.oncontextloss()))}function y(){if(!s()){k.colorMask(!0,!0,!0,!0),k.depthMask(!0),k.disable(k.BLEND),k.enable(k.DEPTH_TEST);for(var t=R.length,e=F.length,r=0;e>r;++r){var n=F[r];n.shape=H,n.begin();for(var i=0;t>i;++i)if(D[i]===r){var o=R[i];o.drawPick&&(o.pixelRatio=1,o.drawPick(V))}n.end()}}}function b(){if(!s()){e();var t=G.camera.tick();V.view=G.camera.matrix,j=j||t,N=N||t,I.pixelRatio=G.pixelRatio,C.pixelRatio=G.pixelRatio;var r=R.length,n=W[0],i=W[1];n[0]=n[1]=n[2]=1/0,i[0]=i[1]=i[2]=-(1/0);for(var a=0;r>a;++a){var l=R[a];l.pixelRatio=G.pixelRatio,l.axes=G.axes,j=j||!!l.dirty,N=N||!!l.dirty;var u=l.bounds;if(u)for(var h=u[0],f=u[1],d=0;3>d;++d)n[d]=Math.min(n[d],h[d]),i[d]=Math.max(i[d],f[d])}var v=G.bounds;if(G.autoBounds)for(var d=0;3>d;++d){if(i[d]d;++d)b=b||Z[0][d]!==v[0][d]||Z[1][d]!==v[1][d],Z[0][d]=v[0][d],Z[1][d]=v[1][d];if(b){for(var x=[0,0,0],a=0;3>a;++a)x[a]=o((v[1][a]-v[0][a])/10);I.autoTicks?I.update({bounds:v,tickSpacing:x}):I.update({bounds:v})}N=N||b,j=j||b;var _=k.drawingBufferWidth,w=k.drawingBufferHeight;q[0]=_,q[1]=w,H[0]=0|Math.max(_/G.pixelRatio,1),H[1]=0|Math.max(w/G.pixelRatio,1),m(B,G.fovy,_/w,G.zNear,G.zFar);for(var a=0;16>a;++a)U[a]=0;U[15]=1;for(var M=0,a=0;3>a;++a)M=Math.max(M,v[1][a]-v[0][a]);for(var a=0;3>a;++a)G.autoScale?U[5*a]=G.aspect[a]/(v[1][a]-v[0][a]):U[5*a]=1/M,G.autoCenter&&(U[12+a]=.5*-U[5*a]*(v[0][a]+v[1][a]));for(var a=0;r>a;++a){var l=R[a];l.axesBounds=v,G.clipToBounds&&(l.clipBounds=v)}if(T.object&&(G.snapToData?C.position=T.dataCoordinate:C.position=T.dataPosition,C.bounds=v),N&&(N=!1,y()),j){G.axesPixels=c(G.axes,V,_,w),G.onrender&&G.onrender(),k.bindFramebuffer(k.FRAMEBUFFER,null),k.viewport(0,0,_,w);var A=G.clearColor;k.clearColor(A[0],A[1],A[2],A[3]),k.clear(k.COLOR_BUFFER_BIT|k.DEPTH_BUFFER_BIT),k.depthMask(!0),k.colorMask(!0,!0,!0,!0),k.enable(k.DEPTH_TEST),k.depthFunc(k.LEQUAL),k.disable(k.BLEND),k.disable(k.CULL_FACE);var L=!1;I.enable&&(L=L||I.isTransparent(),I.draw(V)),C.axes=I,T.object&&C.draw(V),k.disable(k.CULL_FACE);for(var a=0;r>a;++a){var l=R[a];l.axes=I,l.pixelRatio=G.pixelRatio,l.isOpaque&&l.isOpaque()&&l.draw(V),l.isTransparent&&l.isTransparent()&&(L=!0)}if(L){E.shape=q,E.bind(),k.clear(k.DEPTH_BUFFER_BIT),k.colorMask(!1,!1,!1,!1),k.depthMask(!0),k.depthFunc(k.LESS),I.enable&&I.isTransparent()&&I.drawTransparent(V);for(var a=0;r>a;++a){var l=R[a];l.isOpaque&&l.isOpaque()&&l.draw(V)}k.enable(k.BLEND),k.blendEquation(k.FUNC_ADD),k.blendFunc(k.ONE,k.ONE_MINUS_SRC_ALPHA),k.colorMask(!0,!0,!0,!0),k.depthMask(!1),k.clearColor(0,0,0,0),k.clear(k.COLOR_BUFFER_BIT),I.isTransparent()&&I.drawTransparent(V);for(var a=0;r>a;++a){var l=R[a];l.isTransparent&&l.isTransparent()&&l.drawTransparent(V)}k.bindFramebuffer(k.FRAMEBUFFER,null),k.blendFunc(k.ONE,k.ONE_MINUS_SRC_ALPHA),k.disable(k.DEPTH_TEST),S.bind(),E.color[0].bind(0),S.uniforms.accumBuffer=0,p(k),k.disable(k.BLEND)}j=!1;for(var a=0;r>a;++a)R[a].dirty=!1}}}function x(){_||G.contextLost||(requestAnimationFrame(x),b())}t=t||{};var _=!1,w=(t.pixelRatio||parseFloat(window.devicePixelRatio),t.canvas);if(!w)if(w=document.createElement("canvas"),t.container){var M=t.container;M.appendChild(w)}else document.body.appendChild(w);var k=t.gl;if(k||(k=i(w,t.glOptions||{premultipliedAlpha:!0,antialias:!0})),!k)throw new Error("webgl not supported");var A=t.bounds||[[-10,-10,-10],[10,10,10]],T=new n,E=d(k,[k.drawingBufferWidth,k.drawingBufferHeight],{preferFloat:!0}),S=g(k),L=t.camera||{eye:[2,0,0],center:[0,0,0],up:[0,1,0],zoomMin:.1,zoomMax:100,mode:"turntable"},z=t.axes||{},I=u(k,z);I.enable=!z.disable;var P=t.spikes||{},C=h(k,P),R=[],D=[],O=[],F=[],j=!0,N=!0,B=new Array(16),U=new 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e=R.indexOf(t);0>e||(R.splice(e,1),D.pop(),j=!0,N=!0,r())}},G.dispose=function(){if(!_&&(_=!0,window.removeEventListener("resize",e),w.removeEventListener("webglcontextlost",s),G.mouseListener.enabled=!1,!G.contextLost)){I.dispose(),C.dispose();for(var t=0;ts;++s){var l=F[s].query(e,H[1]-r-1,G.pickRadius);if(l){if(l.distance>T.distance)continue;for(var u=0;i>u;++u){var c=R[u];if(D[u]===s){var h=c.pick(l);h&&(T.buttons=t,T.screen=l.coord,T.distance=l.distance,T.object=c,T.index=h.distance,T.dataPosition=h.position,T.dataCoordinate=h.dataCoordinate,T.data=h,a=!0)}}}}}o&&o!==T.object&&(o.highlight&&o.highlight(null),j=!0),T.object&&(T.object.highlight&&T.object.highlight(T.data),j=!0),a=a||T.object!==o,a&&G.onselect&&G.onselect(T),1&t&&!(1&Y)&&G.onclick&&G.onclick(T),Y=t}}),w.addEventListener("webglcontextlost",s);var W=[[1/0,1/0,1/0],[-(1/0),-(1/0),-(1/0)]],Z=[W[0].slice(),W[1].slice()];return x(),G.redraw=function(){_||(j=!0,b())},G}e.exports=s;var l=t("3d-view-controls"),u=t("gl-axes3d"),c=t("gl-axes3d/properties"),h=t("gl-spikes3d"),f=t("gl-select-static"),d=t("gl-fbo"),p=t("a-big-triangle"),v=t("mouse-change"),m=t("gl-mat4/perspective"),g=t("./lib/shader")},{"./lib/shader":172,"3d-view-controls":173,"a-big-triangle":175,"gl-axes3d":176,"gl-axes3d/properties":186,"gl-fbo":129,"gl-mat4/perspective":146,"gl-select-static":202,"gl-spikes3d":188,"mouse-change":421}],190:[function(t,e,r){"use strict";e.exports={vertex:"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec2 offset;\nattribute vec4 color;\n\nuniform mat3 viewTransform;\nuniform vec2 pixelScale;\n\nvarying vec4 fragColor;\n\nvec4 computePosition_1_0(vec2 position, vec2 offset, mat3 view, vec2 scale) {\n vec3 xposition = view * vec3(position, 1.0);\n return vec4(\n xposition.xy + scale * offset * xposition.z,\n 0,\n xposition.z);\n}\n\n\n\n\nvoid main() {\n fragColor = color;\n\n gl_Position = computePosition_1_0(\n position,\n offset,\n viewTransform,\n pixelScale);\n}\n",fragment:"precision lowp float;\n#define GLSLIFY 1\nvarying vec4 fragColor;\nvoid main() {\n gl_FragColor = vec4(fragColor.rgb * fragColor.a, fragColor.a);\n}\n",pickVertex:"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec2 offset;\nattribute vec4 id;\n\nuniform mat3 viewTransform;\nuniform vec2 pixelScale;\nuniform vec4 pickOffset;\n\nvarying vec4 fragColor;\n\nvec4 computePosition_1_0(vec2 position, vec2 offset, mat3 view, vec2 scale) {\n vec3 xposition = view * vec3(position, 1.0);\n return vec4(\n xposition.xy + scale * offset * xposition.z,\n 0,\n xposition.z);\n}\n\n\n\n\nvoid main() {\n vec4 fragId = id + pickOffset;\n\n fragId.y += floor(fragId.x / 256.0);\n fragId.x -= floor(fragId.x / 256.0) * 256.0;\n\n fragId.z += floor(fragId.y / 256.0);\n fragId.y -= floor(fragId.y / 256.0) * 256.0;\n\n fragId.w += floor(fragId.z / 256.0);\n fragId.z -= floor(fragId.z / 256.0) * 256.0;\n\n fragColor = fragId / 255.0;\n\n gl_Position = computePosition_1_0(\n position,\n offset,\n viewTransform,\n pixelScale);\n}\n",pickFragment:"precision lowp float;\n#define GLSLIFY 1\nvarying vec4 fragColor;\nvoid main() {\n gl_FragColor = fragColor;\n}\n"}},{}],191:[function(t,e,r){"use strict";function n(t){if(t in f)return f[t];var e=c(t,{polygons:!0,font:"sans-serif",textAlign:"left",textBaseline:"alphabetic"}),r=[],n=[];e.forEach(function(t){t.forEach(function(t){for(var e=0;ea;++a)i[a]=Math.min(i[a],r[o+a]),i[2+a]=Math.max(i[2+a],r[o+a]);return f[t]={coords:r,normals:n,bounds:i}}function i(t,e,r,n,i,o,a){this.plot=t,this.shader=e,this.pickShader=r,this.positionBuffer=n,this.offsetBuffer=i,this.colorBuffer=o,this.idBuffer=a,this.bounds=[1/0,1/0,-(1/0),-(1/0)],this.numPoints=0,this.numVertices=0,this.pickOffset=0,this.points=null}function o(t,e){var r=t.gl,n=a(r,h.vertex,h.fragment),o=a(r,h.pickVertex,h.pickFragment),l=s(r),u=s(r),c=s(r),f=s(r),d=new i(t,n,o,l,u,c,f);return 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u=0;4>u;++u)n[u]=i>>8*u&255;return t.call(this),a.bind(),a.uniforms.pixelScale=r,a.uniforms.viewTransform=e,a.uniforms.pickOffset=n,this.positionBuffer.bind(),a.attributes.position.pointer(),this.offsetBuffer.bind(),a.attributes.offset.pointer(),this.idBuffer.bind(),a.attributes.id.pointer(l.UNSIGNED_BYTE,!1),l.drawArrays(l.TRIANGLES,0,s),i+this.numPoints}}(),d.pick=function(t,e,r){var n=this.pickOffset,i=this.numPoints;if(n>r||r>=n+i)return null;var o=r-n,a=this.points;return{object:this,pointId:o,dataCoord:[a[2*o],a[2*o+1]]}},d.update=function(t){t=t||{};var e=t.positions||[],r=t.colors||[],i=t.glyphs||[],o=t.sizes||[],a=t.borderWidths||[],s=t.borderColors||[];this.points=e;for(var c=this.bounds=[1/0,1/0,-(1/0),-(1/0)],h=0,f=0;f>1;for(var d=0;2>d;++d)c[d]=Math.min(c[d],e[2*f+d]),c[2+d]=Math.max(c[2+d],e[2*f+d])}c[0]===c[2]&&(c[2]+=1),c[3]===c[1]&&(c[3]+=1);for(var 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c=t[2*u],h=t[2*u+1],f=e[u];c>=i&&a>=c&&h>=o&&s>=h&&(u===l?l+=1:(t[2*u]=t[2*l],t[2*u+1]=t[2*l+1],e[u]=e[l],t[2*l]=c,t[2*l+1]=h,e[l]=f,l+=1))}return l}function i(t,e,r){this.pixelSize=t,this.offset=e,this.count=r}function o(t,e,r,o){function l(i,o,a,s,u,c){var h=.5*a,f=s+1,d=u-s;r[_]=d,x[_++]=c;for(var p=0;2>p;++p)for(var v=0;2>v;++v){var m=i+p*h,g=o+v*h,y=n(t,e,f,u,m,g,m+h,g+h);if(y!==f){if(y-f>=Math.max(.9*d,32)){var b=u+s>>>1;l(m,g,h,f,b,c+1),f=b}l(m,g,h,f,y,c+1),f=y}}}var u=t.length>>>1;if(1>u)return[];for(var c=1/0,h=1/0,f=-(1/0),d=-(1/0),p=0;u>p;++p){var v=t[2*p],m=t[2*p+1];c=Math.min(c,v),f=Math.max(f,v),h=Math.min(h,m),d=Math.max(d,m),e[p]=p}c===f&&(f+=1+Math.abs(f)),h===d&&(d+=1+Math.abs(f));var g=1/(f-c),y=1/(d-h),b=Math.max(f-c,d-h);o=o||[0,0,0,0],o[0]=c,o[1]=h,o[2]=f,o[3]=d;var x=a.mallocInt32(u),_=0;l(c,h,b,0,u,0),s(x,t,e,r,u);for(var w=[],M=0,k=u,_=u-1;_>=0;--_){t[2*_]=(t[2*_]-c)*g,t[2*_+1]=(t[2*_+1]-h)*y;var A=x[_];A!==M&&(w.push(new i(b*Math.pow(.5,A),_+1,k-(_+1))),k=_+1,M=A)}return w.push(new i(b*Math.pow(.5,A+1),0,k)),a.free(x),w}var a=t("typedarray-pool"),s=t("./lib/sort");e.exports=o},{"./lib/sort":194,"typedarray-pool":458}],196:[function(t,e,r){"use strict";function n(t,e,r,n,i,o){this.plot=t,this.offsetBuffer=e,this.pickBuffer=r,this.weightBuffer=n,this.shader=i,this.pickShader=o,this.scales=[],this.size=12,this.borderSize=1,this.pointCount=0,this.color=[1,0,0,1],this.borderColor=[0,0,0,1],this.bounds=[1/0,1/0,-(1/0),-(1/0)],this.pickOffset=0,this.points=null,this.xCoords=null}function i(t,e){var r=t.gl,i=a(r),s=a(r),l=a(r),u=o(r,c.pointVertex,c.pointFragment),h=o(r,c.pickVertex,c.pickFragment),f=new n(t,i,s,l,u,h);return f.update(e),t.addObject(f),f}var o=t("gl-shader"),a=t("gl-buffer"),s=t("binary-search-bounds"),l=t("snap-points-2d"),u=t("typedarray-pool"),c=t("./lib/shader");e.exports=i;var h=n.prototype;h.dispose=function(){this.shader.dispose(),this.pickShader.dispose(),this.offsetBuffer.dispose(),this.pickBuffer.dispose(),this.xCoords&&u.free(this.xCoords),this.plot.removeObject(this)},h.update=function(t){function e(e,r){return e in t?t[e]:r}t=t||{},this.size=e("size",12),this.color=e("color",[1,0,0,1]).slice(),this.borderSize=e("borderSize",1),this.borderColor=e("borderColor",[0,0,0,1]).slice(),this.xCoords&&u.free(this.xCoords);var r=t.positions,n=u.mallocFloat32(r.length),i=u.mallocInt32(r.length>>>1);n.set(r);var o=u.mallocFloat32(r.length);this.points=r,this.scales=l(n,i,o,this.bounds),this.offsetBuffer.update(n),this.pickBuffer.update(i),this.weightBuffer.update(o);for(var a=u.mallocFloat32(r.length>>>1),s=0,c=0;s>>1,this.pickOffset=0},h.drawPick=function(){var t=[1,0,0,0,1,0,0,0,1],e=[0,0,0,0];return function(r){var n=this.plot,i=this.pickShader,o=this.scales,a=this.offsetBuffer,l=this.pickBuffer,u=this.bounds,c=this.size,h=this.borderSize,f=n.gl,d=n.pickPixelRatio,p=n.viewBox,v=n.dataBox;if(0===this.pointCount)return r;var m=u[2]-u[0],g=u[3]-u[1],y=v[2]-v[0],b=v[3]-v[1],x=(p[2]-p[0])*d/n.pixelRatio,_=(p[3]-p[1])*d/n.pixelRatio,w=Math.min(y/x,b/_);t[0]=2*m/y,t[4]=2*g/b,t[6]=2*(u[0]-v[0])/y-1,t[7]=2*(u[1]-v[1])/b-1,this.pickOffset=r,e[0]=255&r,e[1]=r>>8&255,e[2]=r>>16&255,e[3]=r>>24&255,i.bind(),i.uniforms.matrix=t,i.uniforms.color=this.color,i.uniforms.borderColor=this.borderColor,i.uniforms.pointSize=d*(c+h),i.uniforms.pickOffset=e,0===this.borderSize?i.uniforms.centerFraction=2:i.uniforms.centerFraction=c/(c+h+1.25),a.bind(),i.attributes.position.pointer(),l.bind(),i.attributes.pickId.pointer(f.UNSIGNED_BYTE);for(var M=this.xCoords,k=(v[0]-u[0]-w*c*d)/m,A=(v[2]-u[0]+w*c*d)/m,T=o.length-1;T>=0;--T){var E=o[T];if(!(E.pixelSize1)){var S=E.offset,L=E.count+S,z=s.ge(M,k,S,L-1),I=s.lt(M,A,z,L-1)+1;I>z&&f.drawArrays(f.POINTS,z,I-z)}}return r+this.pointCount}}(),h.draw=function(){var t=[1,0,0,0,1,0,0,0,1];return function(){var e=this.plot,r=this.shader,n=this.scales,i=this.offsetBuffer,o=this.bounds,a=this.size,l=this.borderSize,u=e.gl,c=e.pixelRatio,h=e.viewBox,f=e.dataBox;if(0!==this.pointCount){var d=o[2]-o[0],p=o[3]-o[1],v=f[2]-f[0],m=f[3]-f[1],g=h[2]-h[0],y=h[3]-h[1],b=Math.min(v/g,m/y);t[0]=2*d/v,t[4]=2*p/m,t[6]=2*(o[0]-f[0])/v-1,t[7]=2*(o[1]-f[1])/m-1,r.bind(),r.uniforms.matrix=t,r.uniforms.color=this.color,r.uniforms.borderColor=this.borderColor,r.uniforms.pointSize=c*(a+l),r.uniforms.useWeight=1,0===this.borderSize?r.uniforms.centerFraction=2:r.uniforms.centerFraction=a/(a+l+1.25),i.bind(),r.attributes.position.pointer(),this.weightBuffer.bind(),r.attributes.weight.pointer();for(var x=this.xCoords,_=(f[0]-o[0]-b*a*c)/d,w=(f[2]-o[0]+b*a*c)/d,M=!0,k=n.length-1;k>=0;--k){var A=n[k];if(!(A.pixelSize1)){var T=A.offset,E=A.count+T,S=s.ge(x,_,T,E-1),L=s.lt(x,w,S,E-1)+1;L>S&&u.drawArrays(u.POINTS,S,L-S),M&&(M=!1,r.uniforms.useWeight=0)}}}}}(),h.pick=function(t,e,r){var n=this.pickOffset,i=this.pointCount;if(n>r||r>=n+i)return null;var o=r-n,a=this.points;return{object:this,pointId:o,dataCoord:[a[2*o],a[2*o+1]]}}},{"./lib/shader":192,"binary-search-bounds":193,"gl-buffer":124,"gl-shader":203,"snap-points-2d":195,"typedarray-pool":458}],197:[function(t,e,r){"use strict";function n(t,e){var r=o[e];if(r||(r=o[e]={}),t in r)return r[t];for(var n=i(t,{textAlign:"center",textBaseline:"middle",lineHeight:1,font:e}),a=i(t,{triangles:!0,textAlign:"center",textBaseline:"middle",lineHeight:1,font:e}),s=[[1/0,1/0],[-(1/0),-(1/0)]],l=0;lc;++c)s[0][c]=Math.min(s[0][c],u[c]),s[1][c]=Math.max(s[1][c],u[c]);return r[t]=[a,n,s]}var i=t("vectorize-text");e.exports=n;var o={}},{"vectorize-text":460}],198:[function(t,e,r){function n(t,e){var r=i(t,e),n=r.attributes;return n.position.location=0,n.color.location=1,n.glyph.location=2,n.id.location=3,r}var i=t("gl-shader"),o="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute vec4 color;\nattribute vec2 glyph;\nattribute vec4 id;\n\n\nuniform vec4 highlightId;\nuniform float highlightScale;\nuniform mat4 model, view, projection;\nuniform vec3 clipBounds[2];\n\nvarying vec4 interpColor;\nvarying vec4 pickId;\nvarying vec3 dataCoordinate;\n\nvoid main() {\n if(any(lessThan(position, clipBounds[0])) || \n any(greaterThan(position, clipBounds[1])) ) {\n gl_Position = vec4(0,0,0,0);\n } else {\n float scale = 1.0;\n if(distance(highlightId, id) < 0.0001) {\n scale = highlightScale;\n }\n\n vec4 worldPosition = model * vec4(position, 1);\n vec4 viewPosition = view * worldPosition;\n viewPosition = viewPosition / viewPosition.w;\n vec4 clipPosition = projection * (viewPosition + scale * vec4(glyph.x, -glyph.y, 0, 0));\n \n gl_Position = clipPosition;\n interpColor = color;\n pickId = id;\n dataCoordinate = position;\n }\n}",a="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute vec4 color;\nattribute vec2 glyph;\nattribute vec4 id;\n\nuniform mat4 model, view, projection;\nuniform vec2 screenSize;\nuniform vec3 clipBounds[2];\nuniform float highlightScale, pixelRatio;\nuniform vec4 highlightId;\n\nvarying vec4 interpColor;\nvarying vec4 pickId;\nvarying vec3 dataCoordinate;\n\nvoid main() {\n if(any(lessThan(position, clipBounds[0])) || any(greaterThan(position, clipBounds[1]))) {\n gl_Position = vec4(0,0,0,0);\n } else {\n float scale = pixelRatio;\n if(distance(highlightId.bgr, id.bgr) < 0.001) {\n scale *= highlightScale;\n }\n\n vec4 worldPosition = model * vec4(position, 1.0);\n vec4 viewPosition = view * worldPosition;\n vec4 clipPosition = projection * viewPosition;\n clipPosition /= clipPosition.w;\n \n gl_Position = clipPosition + vec4(screenSize * scale * vec2(glyph.x, -glyph.y), 0.0, 0.0);\n interpColor = color;\n pickId = id;\n dataCoordinate = position;\n }\n}",s="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute vec4 color;\nattribute vec2 glyph;\nattribute vec4 id;\n\nuniform float highlightScale;\nuniform vec4 highlightId;\nuniform vec3 axes[2];\nuniform mat4 model, view, projection;\nuniform vec2 screenSize;\nuniform vec3 clipBounds[2];\nuniform float scale, pixelRatio;\n\nvarying vec4 interpColor;\nvarying vec4 pickId;\nvarying vec3 dataCoordinate;\n\nvoid main() {\n if(any(lessThan(position, clipBounds[0])) ||\n any(greaterThan(position, clipBounds[1])) ) {\n gl_Position = vec4(0,0,0,0);\n } else {\n float lscale = pixelRatio * scale;\n if(distance(highlightId, id) < 0.0001) {\n lscale *= highlightScale;\n }\n\n vec4 clipCenter = projection * view * model * vec4(position, 1);\n vec3 dataPosition = position + 0.5*lscale*(axes[0] * glyph.x + axes[1] * glyph.y) * clipCenter.w * screenSize.y;\n vec4 clipPosition = projection * view * model * vec4(dataPosition, 1);\n\n gl_Position = clipPosition;\n interpColor = color;\n pickId = id;\n dataCoordinate = dataPosition;\n }\n}\n",l="precision mediump float;\n#define GLSLIFY 1\n\nuniform vec3 fragClipBounds[2];\nuniform float opacity;\n\nvarying vec4 interpColor;\nvarying vec4 pickId;\nvarying vec3 dataCoordinate;\n\nvoid main() {\n if(any(lessThan(dataCoordinate, fragClipBounds[0])) ||\n any(greaterThan(dataCoordinate, fragClipBounds[1])) ) {\n discard;\n } else {\n gl_FragColor = interpColor * opacity;\n }\n}\n",u="precision mediump float;\n#define GLSLIFY 1\n\nuniform vec3 fragClipBounds[2];\nuniform float pickGroup;\n\nvarying vec4 pickId;\nvarying vec3 dataCoordinate;\n\nvoid main() {\n if(any(lessThan(dataCoordinate, fragClipBounds[0])) || \n any(greaterThan(dataCoordinate, fragClipBounds[1])) ) {\n discard;\n } else {\n gl_FragColor = vec4(pickGroup, pickId.bgr);\n }\n}",c=[{name:"position",type:"vec3"},{name:"color",type:"vec4"},{name:"glyph",type:"vec2"},{name:"id",type:"vec4"}],h={vertex:o,fragment:l,attributes:c},f={vertex:a,fragment:l,attributes:c},d={vertex:s,fragment:l,attributes:c},p={vertex:o,fragment:u,attributes:c},v={vertex:a,fragment:u,attributes:c},m={vertex:s,fragment:u,attributes:c};r.createPerspective=function(t){return n(t,h)},r.createOrtho=function(t){return n(t,f)},r.createProject=function(t){return n(t,d)},r.createPickPerspective=function(t){return n(t,p)},r.createPickOrtho=function(t){return n(t,v)},r.createPickProject=function(t){return n(t,m)}},{"gl-shader":203}],199:[function(t,e,r){"use strict";function n(t,e){var r=t[0],n=t[1],i=t[2],o=t[3];return t[0]=e[0]*r+e[4]*n+e[8]*i+e[12]*o,t[1]=e[1]*r+e[5]*n+e[9]*i+e[13]*o,t[2]=e[2]*r+e[6]*n+e[10]*i+e[14]*o,t[3]=e[3]*r+e[7]*n+e[11]*i+e[15]*o,t}function i(t,e,r,i){return n(i,i,r),n(i,i,e),n(i,i,t)}function o(t,e){this.index=t,this.dataCoordinate=this.position=e}function a(t,e,r,n,i,a,s,l,u,c,h,f){this.gl=t,this.pixelRatio=1,this.shader=e,this.orthoShader=r,this.projectShader=n,this.pointBuffer=i,this.colorBuffer=a,this.glyphBuffer=s,this.idBuffer=l,this.vao=u,this.vertexCount=0,this.lineVertexCount=0,this.opacity=1,this.lineWidth=0,this.projectScale=[2/3,2/3,2/3],this.projectOpacity=[1,1,1],this.pickId=0,this.pickPerspectiveShader=c,this.pickOrthoShader=h,this.pickProjectShader=f,this.points=[],this._selectResult=new o(0,[0,0,0]),this.useOrtho=!0,this.bounds=[[1/0,1/0,1/0],[-(1/0),-(1/0),-(1/0)]],this.axesProject=[!0,!0,!0],this.axesBounds=[[-(1/0),-(1/0),-(1/0)],[1/0,1/0,1/0]],this.highlightId=[1,1,1,1],this.highlightScale=2,this.clipBounds=[[-(1/0),-(1/0),-(1/0)],[1/0,1/0,1/0]],this.dirty=!0}function s(t){return t[0]=t[1]=t[2]=0,t}function l(t,e){return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,t}function u(t,e,r,n){return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[r]=n,t}function c(t){for(var e=L,r=0;2>r;++r)for(var n=0;3>n;++n)e[r][n]=Math.max(Math.min(t[r][n],1e8),-1e8);return e}function h(t,e,r,n,o){var a,h=e.axesProject,f=e.gl,d=t.uniforms,p=r.model||x,v=r.view||x,m=r.projection||x,y=e.axesBounds,b=c(e.clipBounds);a=e.axes?e.axes.lastCubeProps.axis:[1,1,1],w[0]=2/f.drawingBufferWidth,w[1]=2/f.drawingBufferHeight,t.bind(),d.view=v,d.projection=m,d.screenSize=w,d.highlightId=e.highlightId,d.highlightScale=e.highlightScale,d.clipBounds=b,d.pickGroup=e.pickId/255,d.pixelRatio=e.pixelRatio;for(var _=0;3>_;++_)if(h[_]&&e.projectOpacity[_]<1===n){d.scale=e.projectScale[_],d.opacity=e.projectOpacity[_];for(var L=E,z=0;16>z;++z)L[z]=0;for(var z=0;4>z;++z)L[5*z]=1;L[5*_]=0,a[_]<0?L[12+_]=y[0][_]:L[12+_]=y[1][_],g(L,p,L),d.model=L;var I=(_+1)%3,P=(_+2)%3,C=s(M),R=s(k);C[I]=1,R[P]=1;var D=i(m,v,p,l(A,C)),O=i(m,v,p,l(T,R));if(Math.abs(D[1])>Math.abs(O[1])){var F=D;D=O,O=F,F=C,C=R,R=F;var j=I;I=P,P=j}D[0]<0&&(C[I]=-1),O[1]>0&&(R[P]=-1);for(var N=0,B=0,z=0;4>z;++z)N+=Math.pow(p[4*I+z],2),B+=Math.pow(p[4*P+z],2);C[I]/=Math.sqrt(N),R[P]/=Math.sqrt(B),d.axes[0]=C,d.axes[1]=R,d.fragClipBounds[0]=u(S,b[0],_,-1e8),d.fragClipBounds[1]=u(S,b[1],_,1e8),e.vao.draw(f.TRIANGLES,e.vertexCount),e.lineWidth>0&&(f.lineWidth(e.lineWidth),e.vao.draw(f.LINES,e.lineVertexCount,e.vertexCount))}}function f(t,e,r,n,i,o){var a=r.gl;if(r.vao.bind(),i===r.opacity<1||o){t.bind();var s=t.uniforms;s.model=n.model||x,s.view=n.view||x,s.projection=n.projection||x,w[0]=2/a.drawingBufferWidth,w[1]=2/a.drawingBufferHeight,s.screenSize=w,s.highlightId=r.highlightId,s.highlightScale=r.highlightScale,s.fragClipBounds=P,s.clipBounds=r.axes.bounds,s.opacity=r.opacity,s.pickGroup=r.pickId/255,s.pixelRatio=r.pixelRatio,r.vao.draw(a.TRIANGLES,r.vertexCount),r.lineWidth>0&&(a.lineWidth(r.lineWidth),r.vao.draw(a.LINES,r.lineVertexCount,r.vertexCount))}h(e,r,n,i,o),r.vao.unbind()}function d(t){var e=t.gl,r=y.createPerspective(e),n=y.createOrtho(e),i=y.createProject(e),o=y.createPickPerspective(e),s=y.createPickOrtho(e),l=y.createPickProject(e),u=p(e),c=p(e),h=p(e),f=p(e),d=v(e,[{buffer:u,size:3,type:e.FLOAT},{buffer:c,size:4,type:e.FLOAT},{buffer:h,size:2,type:e.FLOAT},{buffer:f,size:4,type:e.UNSIGNED_BYTE,normalized:!0}]),m=new a(e,r,n,i,u,c,h,f,d,o,s,l);return m.update(t),m}var p=t("gl-buffer"),v=t("gl-vao"),m=t("typedarray-pool"),g=t("gl-mat4/multiply"),y=t("./lib/shaders"),b=t("./lib/glyphs"),x=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];e.exports=d;var _=a.prototype;_.pickSlots=1,_.setPickBase=function(t){this.pickId=t},_.isTransparent=function(){if(this.opacity<1)return!0;for(var t=0;3>t;++t)if(this.axesProject[t]&&this.projectOpacity[t]<1)return!0;return!1},_.isOpaque=function(){if(this.opacity>=1)return!0;for(var t=0;3>t;++t)if(this.axesProject[t]&&this.projectOpacity[t]>=1)return!0;return!1};var w=[0,0],M=[0,0,0],k=[0,0,0],A=[0,0,0,1],T=[0,0,0,1],E=x.slice(),S=[0,0,0],L=[[0,0,0],[0,0,0]],z=[-1e8,-1e8,-1e8],I=[1e8,1e8,1e8],P=[z,I];_.draw=function(t){var e=this.useOrtho?this.orthoShader:this.shader;f(e,this.projectShader,this,t,!1,!1)},_.drawTransparent=function(t){var e=this.useOrtho?this.orthoShader:this.shader;f(e,this.projectShader,this,t,!0,!1)},_.drawPick=function(t){var e=this.useOrtho?this.pickOrthoShader:this.pickPerspectiveShader;f(e,this.pickProjectShader,this,t,!1,!0)},_.pick=function(t){if(!t)return null;if(t.id!==this.pickId)return null;var e=t.value[2]+(t.value[1]<<8)+(t.value[0]<<16);if(e>=this.pointCount||0>e)return null;var r=this.points[e],n=this._selectResult;n.index=e;for(var i=0;3>i;++i)n.position[i]=n.dataCoordinate[i]=r[i];return n},_.highlight=function(t){if(t){var e=t.index,r=255&e,n=e>>8&255,i=e>>16&255;this.highlightId=[r/255,n/255,i/255,0]}else this.highlightId=[1,1,1,1]},_.update=function(t){if(t=t||{},"perspective"in 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n(t){this.plot=t,this.enable=[!0,!0,!1,!1],this.width=[1,1,1,1],this.color=[[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]],this.center=[1/0,1/0]}function i(t,e){var r=new n(t);return r.update(e),t.addOverlay(r),r}e.exports=i;var o=n.prototype;o.update=function(t){t=t||{},this.enable=(t.enable||[!0,!0,!1,!1]).slice(),this.width=(t.width||[1,1,1,1]).slice(),this.color=(t.color||[[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]]).map(function(t){return t.slice()}),this.center=(t.center||[1/0,1/0]).slice(),this.plot.setOverlayDirty()},o.draw=function(){var t=this.enable,e=this.width,r=this.color,n=this.center,i=this.plot,o=i.line,a=i.dataBox,s=i.viewBox;if(o.bind(),a[0]<=n[0]&&n[0]<=a[2]&&a[1]<=n[1]&&n[1]<=a[3]){var 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p=0;pi;++i)if(0!==this._dynamicCounts[i])for(f.uniforms.model=n.model,f.uniforms.clipBounds=n.clipBounds,f.uniforms.permutation=D[i],r.lineWidth(this.dynamicWidth[i]),f.uniforms.contourColor=this.dynamicColor[i],f.uniforms.contourTint=this.dynamicTint[i],f.uniforms.height=this.dynamicLevel[i],d.draw(r.LINES,this._dynamicCounts[i],this._dynamicOffsets[i]),s=0;3>s;++s)this.contourProject[s][i]&&(f.uniforms.model=h.projections[s],f.uniforms.clipBounds=h.clipBounds[s],d.draw(r.LINES,this._dynamicCounts[i],this._dynamicOffsets[i]));d.unbind()}}function l(t,e){var r=e.shape.slice(),n=t.shape.slice();b.assign(t.lo(1,1).hi(r[0],r[1]),e),b.assign(t.lo(1).hi(r[0],1),e.hi(r[0],1)),b.assign(t.lo(1,n[1]-1).hi(r[0],1),e.lo(0,r[1]-1).hi(r[0],1)),b.assign(t.lo(0,1).hi(1,r[1]),e.hi(1)),b.assign(t.lo(n[0]-1,1).hi(1,r[1]),e.lo(r[0]-1)),t.set(0,0,e.get(0,0)),t.set(0,n[1]-1,e.get(0,r[1]-1)),t.set(n[0]-1,0,e.get(r[0]-1,0)),t.set(n[0]-1,n[1]-1,e.get(r[0]-1,r[1]-1))}function u(t,e){return Array.isArray(t)?[e(t[0]),e(t[1]),e(t[2])]:[e(t),e(t),e(t)]}function c(t){return Array.isArray(t)?3===t.length?[t[0],t[1],t[2],1]:[t[0],t[1],t[2],t[3]]:[0,0,0,1]}function h(t){if(Array.isArray(t)){if(Array.isArray(t))return[c(t[0]),c(t[1]),c(t[2])];var e=c(t);return[e.slice(),e.slice(),e.slice()]}}function f(t){var e=t.gl,r=S(e),n=z(e),i=L(e),a=I(e),s=p(e),l=v(e,[{buffer:s,size:4,stride:P,offset:0},{buffer:s,size:3,stride:P,offset:16},{buffer:s,size:3,stride:P,offset:28}]),u=p(e),c=v(e,[{buffer:u,size:4,stride:20,offset:0},{buffer:u,size:1,stride:20,offset:16}]),h=p(e),f=v(e,[{buffer:h,size:2,type:e.FLOAT}]),d=m(e,1,O,e.RGBA,e.UNSIGNED_BYTE);d.minFilter=e.LINEAR,d.magFilter=e.LINEAR;var g=new o(e,[0,0],[[0,0,0],[0,0,0]],r,n,s,l,d,i,a,u,c,h,f),y={levels:[[],[],[]]};for(var b in t)y[b]=t[b];return y.colormap=y.colormap||"jet",g.update(y),g}e.exports=f;var d=t("bit-twiddle"),p=t("gl-buffer"),v=t("gl-vao"),m=t("gl-texture2d"),g=t("typedarray-pool"),y=t("colormap"),b=t("ndarray-ops"),x=t("ndarray-pack"),_=t("ndarray"),w=t("surface-nets"),M=t("gl-mat4/multiply"),k=t("gl-mat4/invert"),A=t("binary-search-bounds"),T=t("ndarray-gradient"),E=t("./lib/shaders"),S=E.createShader,L=E.createContourShader,z=E.createPickShader,I=E.createPickContourShader,P=40,C=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],R=[[0,0],[0,1],[1,0],[1,1],[1,0],[0,1]],D=[[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0]];!function(){for(var t=0;3>t;++t){var e=D[t],r=(t+1)%3,n=(t+2)%3;e[r+0]=1,e[n+3]=1,e[t+6]=1}}();var O=265,F=o.prototype;F.isTransparent=function(){return this.opacity<1},F.isOpaque=function(){if(this.opacity>=1)return!0;for(var t=0;3>t;++t)if(this._contourCounts[t].length>0||this._dynamicCounts[t]>0)return!0;return!1},F.pickSlots=1,F.setPickBase=function(t){this.pickId=t};var j=[0,0,0],N={showSurface:!1,showContour:!1,projections:[C.slice(),C.slice(),C.slice()],clipBounds:[[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]]]},B={model:C,view:C,projection:C,inverseModel:C.slice(),lowerBound:[0,0,0],upperBound:[0,0,0],colorMap:0,clipBounds:[[0,0,0],[0,0,0]],height:0,contourTint:0,contourColor:[0,0,0,1],permutation:[1,0,0,0,1,0,0,0,1],zOffset:-1e-4,kambient:1,kdiffuse:1,kspecular:1,lightPosition:[1e3,1e3,1e3],eyePosition:[0,0,0],roughness:1,fresnel:1,opacity:1},U=C.slice(),V=[1,0,0,0,1,0,0,0,1];F.draw=function(t){return s.call(this,t,!1)},F.drawTransparent=function(t){return s.call(this,t,!0)};var q={model:C,view:C,projection:C,inverseModel:C,clipBounds:[[0,0,0],[0,0,0]],height:0,shape:[0,0],pickId:0,lowerBound:[0,0,0],upperBound:[0,0,0],zOffset:0,permutation:[1,0,0,0,1,0,0,0,1],lightPosition:[0,0,0],eyePosition:[0,0,0]};F.drawPick=function(t){t=t||{};var e=this.gl;e.disable(e.CULL_FACE);var r=q;r.model=t.model||C,r.view=t.view||C,r.projection=t.projection||C,r.shape=this._field[2].shape,r.pickId=this.pickId/255,r.lowerBound=this.bounds[0],r.upperBound=this.bounds[1],r.permutation=V;for(var n=0;2>n;++n)for(var i=r.clipBounds[n],o=0;3>o;++o)i[o]=Math.min(Math.max(this.clipBounds[n][o],-1e8),1e8);var s=a(r,this);if(s.showSurface){for(this._pickShader.bind(),this._pickShader.uniforms=r,this._vao.bind(),this._vao.draw(e.TRIANGLES,this._vertexCount),n=0;3>n;++n)this.surfaceProject[n]&&(this._pickShader.uniforms.model=s.projections[n],this._pickShader.uniforms.clipBounds=s.clipBounds[n],this._vao.draw(e.TRIANGLES,this._vertexCount));this._vao.unbind()}if(s.showContour){var l=this._contourPickShader;l.bind(),l.uniforms=r;var u=this._contourVAO;for(u.bind(),o=0;3>o;++o)for(e.lineWidth(this.contourWidth[o]),l.uniforms.permutation=D[o],n=0;nn;++n)for(l.uniforms.model=s.projections[n],l.uniforms.clipBounds=s.clipBounds[n],o=0;3>o;++o)if(this.contourProject[n][o]){l.uniforms.permutation=D[o],e.lineWidth(this.contourWidth[o]);for(var c=0;c>4)/16)/255,i=Math.floor(n),o=n-i,a=e[1]*(t.value[1]+(15&t.value[2])/16)/255,s=Math.floor(a),l=a-s;i+=1,s+=1;var u=r.position;u[0]=u[1]=u[2]=0;for(var c=0;2>c;++c)for(var h=c?o:1-o,f=0;2>f;++f)for(var d=f?l:1-l,p=i+c,v=s+f,m=h*d,g=0;3>g;++g)u[g]+=this._field[g].get(p,v)*m;for(var y=this._pickResult.level,b=0;3>b;++b)if(y[b]=A.le(this.contourLevels[b],u[b]),y[b]<0)this.contourLevels[b].length>0&&(y[b]=0);else if(y[b]Math.abs(_-u[b])&&(y[b]+=1)}for(r.index[0]=.5>o?i:i+1,r.index[1]=.5>l?s:s+1,r.uv[0]=n/e[0],r.uv[1]=a/e[1],g=0;3>g;++g)r.dataCoordinate[g]=this._field[g].get(r.index[0],r.index[1]);return r},F.update=function(t){t=t||{},this.dirty=!0,"contourWidth"in t&&(this.contourWidth=u(t.contourWidth,Number)),"showContour"in t&&(this.showContour=u(t.showContour,Boolean)),"showSurface"in t&&(this.showSurface=!!t.showSurface),"contourTint"in t&&(this.contourTint=u(t.contourTint,Boolean)),"contourColor"in t&&(this.contourColor=h(t.contourColor)),"contourProject"in t&&(this.contourProject=u(t.contourProject,function(t){return u(t,Boolean)})),"surfaceProject"in t&&(this.surfaceProject=t.surfaceProject),"dynamicColor"in t&&(this.dynamicColor=h(t.dynamicColor)),"dynamicTint"in t&&(this.dynamicTint=u(t.dynamicTint,Number)),"dynamicWidth"in t&&(this.dynamicWidth=u(t.dynamicWidth,Number)),"opacity"in t&&(this.opacity=t.opacity),"colorBounds"in t&&(this.colorBounds=t.colorBounds);var e=t.field||t.coords&&t.coords[2]||null,r=!1;if(e||(e=this._field[2].shape[0]||this._field[2].shape[2]?this._field[2].lo(1,1).hi(this._field[2].shape[0]-2,this._field[2].shape[1]-2):this._field[2].hi(0,0)),"field"in t||"coords"in t){var n=(e.shape[0]+2)*(e.shape[1]+2);n>this._field[2].data.length&&(g.freeFloat(this._field[2].data),this._field[2].data=g.mallocFloat(d.nextPow2(n))),this._field[2]=_(this._field[2].data,[e.shape[0]+2,e.shape[1]+2]),l(this._field[2],e),this.shape=e.shape.slice();for(var o=this.shape,a=0;2>a;++a)this._field[2].size>this._field[a].data.length&&(g.freeFloat(this._field[a].data),this._field[a].data=g.mallocFloat(this._field[2].size)),this._field[a]=_(this._field[a].data,[o[0]+2,o[1]+2]);if(t.coords){var s=t.coords;if(!Array.isArray(s)||3!==s.length)throw new Error("gl-surface: invalid coordinates for x/y");for(a=0;2>a;++a){var c=s[a];for(y=0;2>y;++y)if(c.shape[y]!==o[y])throw new Error("gl-surface: coords have incorrect shape");l(this._field[a],c)}}else if(t.ticks){var f=t.ticks;if(!Array.isArray(f)||2!==f.length)throw new Error("gl-surface: invalid ticks");for(a=0;2>a;++a){var p=f[a];if((Array.isArray(p)||p.length)&&(p=_(p)),p.shape[0]!==o[a])throw new Error("gl-surface: invalid tick length");var v=_(p.data,o);v.stride[a]=p.stride[0],v.stride[1^a]=0,l(this._field[a],v)}}else{for(a=0;2>a;++a){var m=[0,0];m[a]=1,this._field[a]=_(this._field[a].data,[o[0]+2,o[1]+2],m,0)}this._field[0].set(0,0,0);for(var y=0;ya;++a)T(x.pick(a),b[a],"mirror");var M=_(g.mallocFloat(3*b[2].size),[o[0]+2,o[1]+2,3]);for(a=0;aD?(D=Math.max(Math.abs(I),Math.abs(P),Math.abs(C)),1e-8>D?(C=1,P=I=0,D=1):D=1/D):D=1/Math.sqrt(D),M.set(a,y,0,I*D),M.set(a,y,1,P*D),M.set(a,y,2,C*D)}g.free(x.data);var O=[1/0,1/0,1/0],F=[-(1/0),-(1/0),-(1/0)],j=1/0,N=-(1/0),B=(o[0]-1)*(o[1]-1)*6,U=g.mallocFloat(d.nextPow2(10*B)),V=0,q=0;for(a=0;aG;++G)for(var H=0;2>H;++H)for(var X=0;3>X;++X){var Y=this._field[X].get(1+a+G,1+y+H);if(isNaN(Y)||!isFinite(Y))continue t}for(X=0;6>X;++X){var W=a+R[X][0],Z=y+R[X][1],K=this._field[0].get(W+1,Z+1),J=this._field[1].get(W+1,Z+1);Y=this._field[2].get(W+1,Z+1);var $=Y;I=M.get(W+1,Z+1,0),P=M.get(W+1,Z+1,1),C=M.get(W+1,Z+1,2),t.intensity&&($=t.intensity.get(W,Z)),U[V++]=W,U[V++]=Z,U[V++]=K,U[V++]=J,U[V++]=Y,U[V++]=0,U[V++]=$,U[V++]=I,U[V++]=P,U[V++]=C,O[0]=Math.min(O[0],K),O[1]=Math.min(O[1],J),O[2]=Math.min(O[2],Y),j=Math.min(j,$),F[0]=Math.max(F[0],K),F[1]=Math.max(F[1],J),F[2]=Math.max(F[2],Y),N=Math.max(N,$),q+=1}}for(t.intensityBounds&&(j=+t.intensityBounds[0],N=+t.intensityBounds[1]),a=6;V>a;a+=10)U[a]=(U[a]-j)/(N-j);this._vertexCount=q,this._coordinateBuffer.update(U.subarray(0,V)),g.freeFloat(U),g.free(M.data),this.bounds=[O,F],this.intensity=t.intensity||this._field[2],this.intensityBounds[0]===j&&this.intensityBounds[1]===N||(r=!0),this.intensityBounds=[j,N]}if("levels"in t){var Q=t.levels;for(Q=Array.isArray(Q[0])?Q.slice():[[],[],Q],a=0;3>a;++a)Q[a]=Q[a].slice(),Q.sort(function(t,e){return t-e});t:for(a=0;3>a;++a){if(Q[a].length!==this.contourLevels[a].length){r=!0;break}for(y=0;yet;++et){Q=this.contourLevels[et];var rt=[],nt=[],it=[0,0,0];for(a=0;aX;++X){var st=ot.positions[at[X]],lt=st[0],ut=0|Math.floor(lt),ct=lt-ut,ht=st[1],ft=0|Math.floor(ht),dt=ht-ft,pt=!1;e:for(var vt=0;3>vt;++vt){it[vt]=0;var mt=(et+vt+1)%3;for(G=0;2>G;++G){var gt=G?ct:1-ct;for(W=0|Math.min(Math.max(ut+G,0),o[0]),H=0;2>H;++H){var yt=H?dt:1-dt;if(Z=0|Math.min(Math.max(ft+H,0),o[1]),Y=2>vt?this._field[mt].get(W,Z):(this.intensity.get(W,Z)-this.intensityBounds[0])/(this.intensityBounds[1]-this.intensityBounds[0]),!isFinite(Y)||isNaN(Y)){pt=!0;break e}var bt=gt*yt;it[vt]+=bt*Y}}}if(pt){if(X>0){for(var xt=0;5>xt;++xt)tt.pop();q-=1}continue t}tt.push(it[0],it[1],st[0],st[1],it[2]),q+=1}}nt.push(q)}this._contourOffsets[et]=rt,this._contourCounts[et]=nt}var _t=g.mallocFloat(tt.length);for(a=0;at;++t)g.freeFloat(this._field[t].data)},F.highlight=function(t){if(!t)return this._dynamicCounts=[0,0,0],this.dyanamicLevel=[NaN,NaN,NaN],void(this.highlightLevel=[-1,-1,-1]);for(var e=0;3>e;++e)this.enableHighlight[e]?this.highlightLevel[e]=t.level[e]:this.highlightLevel[e]=-1;var r;if(r=this.snapToData?t.dataCoordinate:t.position,this.enableDynamic[0]&&r[0]!==this.dynamicLevel[0]||this.enableDynamic[1]&&r[1]!==this.dynamicLevel[1]||this.enableDynamic[2]&&r[2]!==this.dynamicLevel[2]){for(var n=0,i=this.shape,o=g.mallocFloat(12*i[0]*i[1]),a=0;3>a;++a)if(this.enableDynamic[a]){this.dynamicLevel[a]=r[a];var s=(a+1)%3,l=(a+2)%3,u=this._field[a],c=this._field[s],h=this._field[l],f=(this.intensity,w(u,r[a])),d=f.cells,p=f.positions;for(this._dynamicOffsets[a]=n,e=0;em;++m){var y=p[v[m]],b=+y[0],x=0|b,_=0|Math.min(x+1,i[0]),M=b-x,k=1-M,A=+y[1],T=0|A,E=0|Math.min(T+1,i[1]),S=A-T,L=1-S,z=k*L,I=k*S,P=M*L,C=M*S,R=z*c.get(x,T)+I*c.get(x,E)+P*c.get(_,T)+C*c.get(_,E),D=z*h.get(x,T)+I*h.get(x,E)+P*h.get(_,T)+C*h.get(_,E);if(isNaN(R)||isNaN(D)){m&&(n-=1);break}o[2*n+0]=R,o[2*n+1]=D,n+=1}this._dynamicCounts[a]=n-this._dynamicOffsets[a]}else this.dynamicLevel[a]=NaN,this._dynamicCounts[a]=0;this._dynamicBuffer.update(o.subarray(0,2*n)),g.freeFloat(o)}}},{"./lib/shaders":222,"binary-search-bounds":223,"bit-twiddle":51,colormap:106,"gl-buffer":124,"gl-mat4/invert":143,"gl-mat4/multiply":145,"gl-texture2d":228,"gl-vao":232,ndarray:433,"ndarray-gradient":224,"ndarray-ops":432,"ndarray-pack":225,"surface-nets":452,"typedarray-pool":458}],228:[function(t,e,r){"use strict";function n(t){m=[t.LINEAR,t.NEAREST_MIPMAP_LINEAR,t.LINEAR_MIPMAP_NEAREST,t.LINEAR_MIPMAP_NEAREST],g=[t.NEAREST,t.LINEAR,t.NEAREST_MIPMAP_NEAREST,t.NEAREST_MIPMAP_LINEAR,t.LINEAR_MIPMAP_NEAREST,t.LINEAR_MIPMAP_LINEAR],y=[t.REPEAT,t.CLAMP_TO_EDGE,t.MIRRORED_REPEAT]}function i(t,e,r){var n=t.gl,i=n.getParameter(n.MAX_TEXTURE_SIZE);if(0>e||e>i||0>r||r>i)throw new Error("gl-texture2d: Invalid texture size");return t._shape=[e,r],t.bind(),n.texImage2D(n.TEXTURE_2D,0,t.format,e,r,0,t.format,t.type,null),t._mipLevels=[0],t}function o(t,e,r,n,i,o){this.gl=t,this.handle=e,this.format=i,this.type=o,this._shape=[r,n],this._mipLevels=[0],this._magFilter=t.NEAREST,this._minFilter=t.NEAREST,this._wrapS=t.CLAMP_TO_EDGE,this._wrapT=t.CLAMP_TO_EDGE,this._anisoSamples=1;var a=this,s=[this._wrapS,this._wrapT];Object.defineProperties(s,[{get:function(){return a._wrapS},set:function(t){return a.wrapS=t}},{get:function(){return a._wrapT},set:function(t){return a.wrapT=t}}]),this._wrapVector=s;var l=[this._shape[0],this._shape[1]];Object.defineProperties(l,[{get:function(){return a._shape[0]},set:function(t){return a.width=t}},{get:function(){return a._shape[1]},set:function(t){return a.height=t}}]),this._shapeVector=l}function a(t,e){return 3===t.length?1===e[2]&&e[1]===t[0]*t[2]&&e[0]===t[2]:1===e[0]&&e[1]===t[0]}function s(t,e,r,n,i,o,s,l){var u=l.dtype,c=l.shape.slice();if(c.length<2||c.length>3)throw new Error("gl-texture2d: Invalid ndarray, must be 2d or 3d");var h=0,f=0,m=a(c,l.stride.slice());"float32"===u?h=t.FLOAT:"float64"===u?(h=t.FLOAT,m=!1,u="float32"):"uint8"===u?h=t.UNSIGNED_BYTE:(h=t.UNSIGNED_BYTE,m=!1,u="uint8");var g=1;if(2===c.length)f=t.LUMINANCE,c=[c[0],c[1],1],l=d(l.data,c,[l.stride[0],l.stride[1],1],l.offset);else{if(3!==c.length)throw new Error("gl-texture2d: Invalid shape for texture");if(1===c[2])f=t.ALPHA;else if(2===c[2])f=t.LUMINANCE_ALPHA;else if(3===c[2])f=t.RGB;else{if(4!==c[2])throw new Error("gl-texture2d: Invalid shape for pixel coords");f=t.RGBA}g=c[2]}if(f!==t.LUMINANCE&&f!==t.ALPHA||i!==t.LUMINANCE&&i!==t.ALPHA||(f=i),f!==i)throw new Error("gl-texture2d: Incompatible texture format for setPixels");var 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t.bindTexture(t.TEXTURE_2D,e),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),e}function u(t,e,r,n,i){var a=t.getParameter(t.MAX_TEXTURE_SIZE);if(0>e||e>a||0>r||r>a)throw new Error("gl-texture2d: Invalid texture shape");if(i===t.FLOAT&&!t.getExtension("OES_texture_float"))throw new Error("gl-texture2d: Floating point textures not supported on this platform");var s=l(t);return t.texImage2D(t.TEXTURE_2D,0,n,e,r,0,n,i,null),new o(t,s,e,r,n,i)}function c(t,e,r,n){var i=l(t);return t.texImage2D(t.TEXTURE_2D,0,r,r,n,e),new o(t,i,0|e.width,0|e.height,r,n)}function h(t,e){var r=e.dtype,n=e.shape.slice(),i=t.getParameter(t.MAX_TEXTURE_SIZE);if(n[0]<0||n[0]>i||n[1]<0||n[1]>i)throw new Error("gl-texture2d: Invalid texture size");var 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o.premultiply(t.getPaintValue("circle-color",e,r))},multiplier:255,paintProperty:"circle-color"},{name:"a_radius",components:1,type:"Uint16",isLayerConstant:!1,getValue:function(t,e,r){return[t.getPaintValue("circle-radius",e,r)]},multiplier:10,paintProperty:"circle-radius"}]}},n.prototype.addFeature=function(t){for(var e={zoom:this.zoom},r=a(t),n=this.makeRoomFor("circle",0),i=n.layout.vertex.length,o=0;ou||u>=s||0>c||c>=s)){var h=this.makeRoomFor("circle",4),f=h.layout.vertex,d=this.addCircleVertex(f,u,c,-1,-1);this.addCircleVertex(f,u,c,1,-1),this.addCircleVertex(f,u,c,1,1),this.addCircleVertex(f,u,c,-1,1),h.layout.element.emplaceBack(d,d+1,d+2),h.layout.element.emplaceBack(d,d+3,d+2)}}this.addPaintAttributes("circle",e,t.properties,n,i)}},{"../../util/util":349,"../bucket":247,"../load_geometry":254}],249:[function(t,e,r){"use strict";function n(){i.apply(this,arguments)}var 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N=F-1;N>=0;N--)O=m.mult((N+1)/(F+1))._add(g)._unit(),this.addPieSliceVertex(d,this.distance,O,R)}v&&this.addCurrentVertex(d,this.distance,g,-y,-b,!1)}else"butt"===I?(w||this.addCurrentVertex(d,this.distance,m,0,0,!1),v&&this.addCurrentVertex(d,this.distance,g,0,0,!1)):"square"===I?(w||(this.addCurrentVertex(d,this.distance,m,1,1,!1),this.e1=this.e2=-1),v&&this.addCurrentVertex(d,this.distance,g,-1,-1,!1)):"round"===I&&(w||(this.addCurrentVertex(d,this.distance,m,0,0,!1),this.addCurrentVertex(d,this.distance,m,1,1,!0),this.e1=this.e2=-1),v&&(this.addCurrentVertex(d,this.distance,g,-1,-1,!0),this.addCurrentVertex(d,this.distance,g,0,0,!1)));if(E&&o-1>M){var B=d.dist(v);if(B>2*a){var U=d.add(v.sub(d)._mult(a/B)._round());this.distance+=U.dist(d),this.addCurrentVertex(U,this.distance,g.mult(1),0,0,!1),d=U}}w=!1}}}},n.prototype.addCurrentVertex=function(t,e,r,n,i,o){var a,s=o?1:0,l=this.arrayGroups.line[this.arrayGroups.line.length-1].layout,u=l.vertex,c=l.element;a=r.clone(),n&&a._sub(r.perp()._mult(n)),this.e3=this.addLineVertex(u,t,a,s,0,n,e),this.e1>=0&&this.e2>=0&&c.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,a=r.mult(-1),i&&a._sub(r.perp()._mult(i)),this.e3=this.addLineVertex(u,t,a,s,1,-i,e),this.e1>=0&&this.e2>=0&&c.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,e>d/2&&(this.distance=0,this.addCurrentVertex(t,this.distance,r,n,i,o))},n.prototype.addPieSliceVertex=function(t,e,r,n){var i=n?1:0;r=r.mult(n?-1:1);var o=this.arrayGroups.line[this.arrayGroups.line.length-1].layout,a=o.vertex,s=o.element;this.e3=this.addLineVertex(a,t,r,0,i,0,e),this.e1>=0&&this.e2>=0&&s.emplaceBack(this.e1,this.e2,this.e3),n?this.e2=this.e3:this.e1=this.e3}},{"../../util/util":349,"../bucket":247,"../load_geometry":254}],251:[function(t,e,r){"use strict";function n(t){s.apply(this,arguments),this.showCollisionBoxes=t.showCollisionBoxes,this.overscaling=t.overscaling,this.collisionBoxArray=t.collisionBoxArray,this.sdfIcons=t.sdfIcons,this.iconsNeedLinear=t.iconsNeedLinear,this.adjustedTextSize=t.adjustedTextSize,this.adjustedIconSize=t.adjustedIconSize,this.fontstack=t.fontstack}function i(t,e,r,n,i,o,a,s,l,u){return t.emplaceBack(e,r,Math.round(64*n),Math.round(64*i),o/4,a/4,10*(u||0),0,10*(s||0),10*Math.min(l||25,25))}function o(t,e,r,n,i,o,a,s,l,u,c,h,f,d,p,v,m){this.x=t.x,this.y=t.y,this.index=a,this.hasText=!!r,this.hasIcon=!!n,this.hasText&&(this.glyphQuads=o?_(t,r,h,e,i,d):[],this.textCollisionFeature=new y(s,e,t,l,u,c,r,h,f,d,!1)),this.hasIcon&&(this.iconQuads=o?w(t,n,p,e,i,m):[],this.iconCollisionFeature=new y(s,e,t,l,u,c,n,p,v,m,!0))}var a=t("point-geometry"),s=t("../bucket"),l=t("../../symbol/anchor"),u=t("../../symbol/get_anchors"),c=t("../../util/token"),h=t("../../symbol/quads"),f=t("../../symbol/shaping"),d=t("../../symbol/resolve_text"),p=t("../../symbol/mergelines"),v=t("../../symbol/clip_line"),m=t("../../util/util"),g=t("../load_geometry"),y=t("../../symbol/collision_feature"),b=f.shapeText,x=f.shapeIcon,_=h.getGlyphQuads,w=h.getIconQuads,M=s.EXTENT;e.exports=n,n.prototype=m.inherit(s,{}),n.prototype.serialize=function(){var t=s.prototype.serialize.apply(this);return t.sdfIcons=this.sdfIcons,t.iconsNeedLinear=this.iconsNeedLinear,t.adjustedTextSize=this.adjustedTextSize,t.adjustedIconSize=this.adjustedIconSize,t.fontstack=this.fontstack,t};var k=[{name:"a_pos",components:2,type:"Int16"},{name:"a_offset",components:2,type:"Int16"},{name:"a_data1",components:4,type:"Uint8"},{name:"a_data2",components:2,type:"Uint8"}];n.prototype.addCollisionBoxVertex=function(t,e,r,n,i){return t.emplaceBack(e.x,e.y,Math.round(r.x),Math.round(r.y),10*n,10*i)},n.prototype.programInterfaces={glyph:{vertexBuffer:!0,elementBuffer:!0,layoutAttributes:k},icon:{vertexBuffer:!0,elementBuffer:!0,layoutAttributes:k},collisionBox:{vertexBuffer:!0,layoutAttributes:[{name:"a_pos",components:2,type:"Int16"},{name:"a_extrude",components:2,type:"Int16"},{name:"a_data",components:2,type:"Uint8"}]}},n.prototype.populateBuffers=function(t,e,r){var n={lastIntegerZoom:1/0,lastIntegerZoomTime:0,lastZoom:0};this.adjustedTextMaxSize=this.layer.getLayoutValue("text-size",{zoom:18,zoomHistory:n}),this.adjustedTextSize=this.layer.getLayoutValue("text-size",{zoom:this.zoom+1,zoomHistory:n}),this.adjustedIconMaxSize=this.layer.getLayoutValue("icon-size",{zoom:18,zoomHistory:n}),this.adjustedIconSize=this.layer.getLayoutValue("icon-size",{zoom:this.zoom+1,zoomHistory:n});var i=512*this.overscaling;this.tilePixelRatio=M/i,this.compareText={},this.symbolInstances=[],this.iconsNeedLinear=!1;var o=this.layer.layout,a=this.features,s=this.textFeatures,l=.5,u=.5;switch(o["text-anchor"]){case"right":case"top-right":case"bottom-right":l=1;break;case"left":case"top-left":case"bottom-left":l=0}switch(o["text-anchor"]){case"bottom":case"bottom-right":case"bottom-left":u=1;break;case"top":case"top-right":case"top-left":u=0}for(var h="right"===o["text-justify"]?1:"left"===o["text-justify"]?0:.5,f=24,d=o["text-line-height"]*f,v="line"!==o["symbol-placement"]?o["text-max-width"]*f:0,m=o["text-letter-spacing"]*f,y=[o["text-offset"][0]*f,o["text-offset"][1]*f],_=this.fontstack=o["text-font"].join(","),w=[],k=0;kL;L++){var I=E[L];if(!(e&&k&&this.anchorIsTooClose(e.text,A,I))){var P=!(I.x<0||I.x>M||I.y<0||I.y>M);if(!m||P){var C=P||w;this.symbolInstances.push(new o(I,S,e,r,i,C,this.symbolInstances.length,this.collisionBoxArray,n,this.sourceLayerIndex,this.index,h,g,x,d,y,_))}}}}},n.prototype.anchorIsTooClose=function(t,e,r){var n=this.compareText;if(t in n){for(var i=n[t],o=i.length-1;o>=0;o--)if(r.dist(i[o])=m&&this.addSymbols("glyph",h.glyphQuads,m,r["text-keep-upright"],i,t.angle)),d&&(t.insertCollisionFeature(h.iconCollisionFeature,g,r["icon-ignore-placement"]),n>=g&&this.addSymbols("icon",h.iconQuads,g,r["icon-keep-upright"],o,t.angle))}e&&this.addToDebugBuffers(t)},n.prototype.addSymbols=function(t,e,r,n,o,a){for(var s=this.makeRoomFor(t,4*e.length),l=s.layout.element,u=s.layout.vertex,c=this.zoom,h=Math.max(Math.log(r)/Math.LN2+c,0),f=0;f3*Math.PI/2))){var m=d.tl,g=d.tr,y=d.bl,b=d.br,x=d.tex,_=d.anchorPoint,w=Math.max(c+Math.log(d.minScale)/Math.LN2,h),M=Math.min(c+Math.log(d.maxScale)/Math.LN2,25);if(!(w>=M)){w===h&&(w=0);var k=i(u,_.x,_.y,m.x,m.y,x.x,x.y,w,M,h);i(u,_.x,_.y,g.x,g.y,x.x+x.w,x.y,w,M,h),i(u,_.x,_.y,y.x,y.y,x.x,x.y+x.h,w,M,h),i(u,_.x,_.y,b.x,b.y,x.x+x.w,x.y+x.h,w,M,h),l.emplaceBack(k,k+1,k+2),l.emplaceBack(k+1,k+2,k+3)}}}},n.prototype.updateIcons=function(t){this.recalculateStyleLayers();var e=this.layer.layout["icon-image"];if(e)for(var r=0;rs;s++){var l=this.symbolInstances[o][0===s?"textCollisionFeature":"iconCollisionFeature"];if(l)for(var u=l.boxStartIndex;u0?t["line-gap-width"]+2*t["line-width"]:t["line-width"]}function s(t,e,r,n,i){if(!e[0]&&!e[1])return t;e=u.convert(e),"viewport"===r&&e._rotate(-n);for(var o=[],a=0;ao||c.yo)&&(console.warn("Geometry exceeds allowed extent, reduce your vector tile buffer size"),a=!0)}return r}},{"./bucket":247}],255:[function(t,e,r){"use strict";function n(t,e,r){this.column=t,this.row=e,this.zoom=r}e.exports=n,n.prototype={clone:function(){return new n(this.column,this.row,this.zoom)},zoomTo:function(t){return this.clone()._zoomTo(t)},sub:function(t){return this.clone()._sub(t)},_zoomTo:function(t){var e=Math.pow(2,t-this.zoom);return this.column*=e,this.row*=e,this.zoom=t,this},_sub:function(t){return t=t.zoomTo(this.zoom),this.column-=t.column,this.row-=t.row,this}}},{}],256:[function(t,e,r){"use strict";function n(t,e){if(isNaN(t)||isNaN(e))throw new Error("Invalid LngLat object: ("+t+", "+e+")");if(this.lng=+t,this.lat=+e,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")}e.exports=n;var i=t("../util/util").wrap;n.prototype.wrap=function(){return new n(i(this.lng,-180,180),this.lat)},n.prototype.toArray=function(){return[this.lng,this.lat]},n.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},n.convert=function(t){return t instanceof n?t:Array.isArray(t)?new n(t[0],t[1]):t}},{"../util/util":349}],257:[function(t,e,r){"use strict";function n(t,e){t&&(e?this.extend(t).extend(e):4===t.length?this.extend([t[0],t[1]]).extend([t[2],t[3]]):this.extend(t[0]).extend(t[1]))}e.exports=n;var i=t("./lng_lat");n.prototype={extend:function(t){var e,r,o=this._sw,a=this._ne;if(t instanceof i)e=t,r=t;else{if(!(t instanceof n))return t?this.extend(i.convert(t)||n.convert(t)):this;if(e=t._sw,r=t._ne,!e||!r)return this}return o||a?(o.lng=Math.min(e.lng,o.lng),o.lat=Math.min(e.lat,o.lat),a.lng=Math.max(r.lng,a.lng),a.lat=Math.max(r.lat,a.lat)):(this._sw=new i(e.lng,e.lat),this._ne=new i(r.lng,r.lat)),this},getCenter:function(){return new i((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},getSouthWest:function(){return this._sw},getNorthEast:function(){return this._ne},getNorthWest:function(){return new i(this.getWest(),this.getNorth())},getSouthEast:function(){return new i(this.getEast(),this.getSouth())},getWest:function(){return this._sw.lng},getSouth:function(){return this._sw.lat},getEast:function(){return this._ne.lng},getNorth:function(){return this._ne.lat},toArray:function(){return[this._sw.toArray(),this._ne.toArray()]},toString:function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"}},n.convert=function(t){return!t||t instanceof n?t:new n(t)}},{"./lng_lat":256}],258:[function(t,e,r){"use strict";function n(t,e){this.tileSize=512,this._minZoom=t||0,this._maxZoom=e||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new i(0,0),this.zoom=0,this.angle=0,this._altitude=1.5,this._pitch=0,this._unmodified=!0}var i=t("./lng_lat"),o=t("point-geometry"),a=t("./coordinate"),s=t("../util/util").wrap,l=t("../util/interpolate"),u=t("../source/tile_coord"),c=t("../data/bucket").EXTENT,h=t("gl-matrix"),f=h.vec4,d=h.mat4,p=h.mat2;e.exports=n,n.prototype={get minZoom(){return this._minZoom},set minZoom(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},get maxZoom(){return this._maxZoom},set maxZoom(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},get worldSize(){return this.tileSize*this.scale},get centerPoint(){return this.size._div(2)},get size(){return new o(this.width,this.height)},get bearing(){return-this.angle/Math.PI*180},set bearing(t){var e=-s(t,-180,180)*Math.PI/180;this.angle!==e&&(this._unmodified=!1,this.angle=e,this._calcProjMatrix(),this.rotationMatrix=p.create(),p.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},get pitch(){return this._pitch/Math.PI*180},set pitch(t){var e=Math.min(60,t)/180*Math.PI;this._pitch!==e&&(this._unmodified=!1,this._pitch=e,this._calcProjMatrix())},get altitude(){return this._altitude},set altitude(t){var e=Math.max(.75,t);this._altitude!==e&&(this._unmodified=!1,this._altitude=e,this._calcProjMatrix())},get zoom(){return this._zoom},set zoom(t){var e=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==e&&(this._unmodified=!1,this._zoom=e,this.scale=this.zoomScale(e),this.tileZoom=Math.floor(e),this.zoomFraction=e-this.tileZoom,this._calcProjMatrix(),this._constrain())},get center(){return this._center},set center(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._calcProjMatrix(),this._constrain())},resize:function(t,e){this.width=t,this.height=e,this.pixelsToGLUnits=[2/t,-2/e],this._calcProjMatrix(),this._constrain()},get unmodified(){return this._unmodified},zoomScale:function(t){return Math.pow(2,t)},scaleZoom:function(t){return Math.log(t)/Math.LN2},project:function(t,e){return new o(this.lngX(t.lng,e),this.latY(t.lat,e))},unproject:function(t,e){return new i(this.xLng(t.x,e),this.yLat(t.y,e))},get x(){return this.lngX(this.center.lng)},get y(){return this.latY(this.center.lat)},get point(){return new o(this.x,this.y)},lngX:function(t,e){return(180+t)*(e||this.worldSize)/360},latY:function(t,e){var r=180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360));return(180-r)*(e||this.worldSize)/360},xLng:function(t,e){return 360*t/(e||this.worldSize)-180},yLat:function(t,e){var r=180-360*t/(e||this.worldSize);return 360/Math.PI*Math.atan(Math.exp(r*Math.PI/180))-90},panBy:function(t){var e=this.centerPoint._add(t);this.center=this.pointLocation(e)},setLocationAtPoint:function(t,e){var r=this.locationCoordinate(t),n=this.pointCoordinate(e),i=this.pointCoordinate(this.centerPoint),o=n._sub(r);this._unmodified=!1,this.center=this.coordinateLocation(i._sub(o))},locationPoint:function(t){return this.coordinatePoint(this.locationCoordinate(t))},pointLocation:function(t){return this.coordinateLocation(this.pointCoordinate(t))},locationCoordinate:function(t){var e=this.zoomScale(this.tileZoom)/this.worldSize,r=i.convert(t);return new a(this.lngX(r.lng)*e,this.latY(r.lat)*e,this.tileZoom)},coordinateLocation:function(t){var e=this.zoomScale(t.zoom);return new i(this.xLng(t.column,e),this.yLat(t.row,e))},pointCoordinate:function(t){var e=0,r=this.coordinatePointMatrix(this.tileZoom);if(d.invert(r,r),!r)throw new Error("failed to invert matrix");var n=[t.x,t.y,0,1],i=[t.x,t.y,1,1];f.transformMat4(n,n,r),f.transformMat4(i,i,r);var o=n[3],s=i[3],u=n[0]/o,c=i[0]/s,h=n[1]/o,p=i[1]/s,v=n[2]/o,m=i[2]/s,g=v===m?0:(e-v)/(m-v);return new a(l(u,c,g),l(h,p,g),this.tileZoom)},coordinatePoint:function(t){var e=this.coordinatePointMatrix(t.zoom),r=[t.column,t.row,0,1];return f.transformMat4(r,r,e),new o(r[0]/r[3],r[1]/r[3])},coordinatePointMatrix:function(t){var e=d.copy(new Float64Array(16),this.projMatrix),r=this.worldSize/this.zoomScale(t);return d.scale(e,e,[r,r,1]),d.multiply(e,this.getPixelMatrix(),e),e},getPixelMatrix:function(){var t=d.create();return d.scale(t,t,[this.width/2,-this.height/2,1]),d.translate(t,t,[1,-1,0]),t},calculatePosMatrix:function(t,e){void 0===e&&(e=1/0),t instanceof u&&(t=t.toCoordinate(e));var r=Math.min(t.zoom,e),n=this.worldSize/Math.pow(2,r),i=new Float64Array(16);return d.identity(i),d.translate(i,i,[t.column*n,t.row*n,0]),d.scale(i,i,[n/c,n/c,1]),d.multiply(i,this.projMatrix,i),new Float32Array(i)},_constrain:function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,e,r,n,i,a,s,l,u=this.size,c=this._unmodified;this.latRange&&(t=this.latY(this.latRange[1]),e=this.latY(this.latRange[0]),i=e-tf-d&&(l=t+d),f+d>e&&(l=e-d)}if(this.lngRange){var p=this.x,v=u.x/2;r>p-v&&(s=r+v),p+v>n&&(s=n-v)}void 0===s&&void 0===l||(this.center=this.unproject(new o(void 0!==s?s:this.x,void 0!==l?l:this.y))),this._unmodified=c,this._constraining=!1}},_calcProjMatrix:function(){var t=new Float64Array(16),e=Math.atan(.5/this.altitude),r=Math.sin(e)*this.altitude/Math.sin(Math.PI/2-this._pitch-e),n=Math.cos(Math.PI/2-this._pitch)*r+this.altitude;d.perspective(t,2*Math.atan(this.height/2/this.altitude),this.width/this.height,.1,n),d.translate(t,t,[0,0,-this.altitude]),d.scale(t,t,[1,-1,1/this.height]),d.rotateX(t,t,this._pitch),d.rotateZ(t,t,this.angle),d.translate(t,t,[-this.x,-this.y,0]),this.projMatrix=t}}},{"../data/bucket":247,"../source/tile_coord":281,"../util/interpolate":343,"../util/util":349,"./coordinate":255,"./lng_lat":256,"gl-matrix":363,"point-geometry":404}],259:[function(t,e,r){"use strict";var n={" 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o,a,s,l,u,c,h,f,d=[];for(o=0,a=t.length;a>o;o++)if(u=n[t[o]]){for(f=null,s=0,l=u[1].length;l>s;s+=2)-1===u[1][s]&&-1===u[1][s+1]?f=null:(c=e+u[1][s]*i,h=r-u[1][s+1]*i,f&&d.push(f.x,f.y,c,h),f={x:c,y:h});e+=u[0]*i}return d}},{}],260:[function(t,e,r){"use strict";var n=e.exports={};n.Map=t("./ui/map"),n.Control=t("./ui/control/control"),n.Navigation=t("./ui/control/navigation"),n.Geolocate=t("./ui/control/geolocate"),n.Attribution=t("./ui/control/attribution"),n.Popup=t("./ui/popup"),n.GeoJSONSource=t("./source/geojson_source"),n.VideoSource=t("./source/video_source"),n.ImageSource=t("./source/image_source"),n.Style=t("./style/style"),n.LngLat=t("./geo/lng_lat"),n.LngLatBounds=t("./geo/lng_lat_bounds"),n.Point=t("point-geometry"),n.Evented=t("./util/evented"),n.util=t("./util/util"),n.supported=t("./util/browser").supported;var i=t("./util/ajax");n.util.getJSON=i.getJSON,n.util.getArrayBuffer=i.getArrayBuffer;var o=t("./util/config");n.config=o,Object.defineProperty(n,"accessToken",{get:function(){return o.ACCESS_TOKEN},set:function(t){o.ACCESS_TOKEN=t}})},{"./geo/lng_lat":256,"./geo/lng_lat_bounds":257,"./source/geojson_source":274,"./source/image_source":276,"./source/video_source":284,"./style/style":290,"./ui/control/attribution":318,"./ui/control/control":319,"./ui/control/geolocate":320,"./ui/control/navigation":321,"./ui/map":331,"./ui/popup":332,"./util/ajax":334,"./util/browser":335,"./util/config":339,"./util/evented":341,"./util/util":349,"point-geometry":404}],261:[function(t,e,r){"use strict";function n(t,e,r){var n,i=t.gl,l=t.transform,u=a.premultiply(r.paint["background-color"]),c=r.paint["background-pattern"],h=r.paint["background-opacity"],f=c?t.spriteAtlas.getPosition(c.from,!0):null,d=c?t.spriteAtlas.getPosition(c.to,!0):null;if(t.setDepthSublayer(0),f&&d){if(t.isOpaquePass)return;n=t.useProgram("pattern"),i.uniform1i(n.u_image,0),i.uniform2fv(n.u_pattern_tl_a,f.tl),i.uniform2fv(n.u_pattern_br_a,f.br),i.uniform2fv(n.u_pattern_tl_b,d.tl),i.uniform2fv(n.u_pattern_br_b,d.br),i.uniform1f(n.u_opacity,h),i.uniform1f(n.u_mix,c.t),t.spriteAtlas.bind(i,!0),t.tileExtentPatternVAO.bind(i,n,t.tileExtentBuffer)}else{if(t.isOpaquePass!==(1===u[3]))return;n=t.useProgram("fill"),i.uniform4fv(n.u_color,u),i.uniform1f(n.u_opacity,h),t.tileExtentVAO.bind(i,n,t.tileExtentBuffer)}i.disable(i.STENCIL_TEST);for(var p=o.coveringTiles(l),v=0;v0&&(f=r.paint["line-gap-width"]/2+.5*u,h=r.paint["line-width"],d=f-u/2);var v=d+h+u/2+p,m=o.premultiply(r.paint["line-color"]),g=t.transform,y=i.create();i.scale(y,y,[1,Math.cos(g._pitch)]),i.rotate(y,y,t.transform.angle);var b,x,_,w,M,k=Math.sqrt(g.height*g.height/4*(1+g.altitude*g.altitude)),A=g.height/2*Math.tan(g._pitch),T=(k+A)/k-1,E=r.paint["line-dasharray"],S=r.paint["line-pattern"];if(E)b=t.useProgram("linesdfpattern"),l.uniform2fv(b.u_linewidth,[v,f]),l.uniform1f(b.u_blur,c),l.uniform4fv(b.u_color,m),l.uniform1f(b.u_opacity,r.paint["line-opacity"]),x=t.lineAtlas.getDash(E.from,"round"===r.layout["line-cap"]),_=t.lineAtlas.getDash(E.to,"round"===r.layout["line-cap"]),l.uniform1i(b.u_image,0),l.activeTexture(l.TEXTURE0),t.lineAtlas.bind(l),l.uniform1f(b.u_tex_y_a,x.y),l.uniform1f(b.u_tex_y_b,_.y),l.uniform1f(b.u_mix,E.t),l.uniform1f(b.u_extra,T),l.uniform1f(b.u_offset,-r.paint["line-offset"]),l.uniformMatrix2fv(b.u_antialiasingmatrix,!1,y);else if(S){if(w=t.spriteAtlas.getPosition(S.from,!0),M=t.spriteAtlas.getPosition(S.to,!0),!w||!M)return;b=t.useProgram("linepattern"),l.uniform1i(b.u_image,0),l.activeTexture(l.TEXTURE0),t.spriteAtlas.bind(l,!0),l.uniform2fv(b.u_linewidth,[v,f]),l.uniform1f(b.u_blur,c),l.uniform2fv(b.u_pattern_tl_a,w.tl),l.uniform2fv(b.u_pattern_br_a,w.br),l.uniform2fv(b.u_pattern_tl_b,M.tl),l.uniform2fv(b.u_pattern_br_b,M.br),l.uniform1f(b.u_fade,S.t),l.uniform1f(b.u_opacity,r.paint["line-opacity"]),l.uniform1f(b.u_extra,T),l.uniform1f(b.u_offset,-r.paint["line-offset"]),l.uniformMatrix2fv(b.u_antialiasingmatrix,!1,y)}else b=t.useProgram("line"),l.uniform2fv(b.u_linewidth,[v,f]),l.uniform1f(b.u_blur,c),l.uniform1f(b.u_extra,T),l.uniform1f(b.u_offset,-r.paint["line-offset"]),l.uniformMatrix2fv(b.u_antialiasingmatrix,!1,y),l.uniform4fv(b.u_color,m),l.uniform1f(b.u_opacity,r.paint["line-opacity"]);for(var L=0;L0?1/(1-t):1+t}function s(t){return t>0?1-1/(1.001-t):-t}function l(t,e,r,n){var i=[1,0],o=r.paint["raster-fade-duration"];if(t.source&&o>0){var a=(new Date).getTime(),s=(a-t.timeAdded)/o,l=e?(a-e.timeAdded)/o:-1,c=t.source._pyramid.coveringZoomLevel(n),h=e?Math.abs(e.coord.z-c)>Math.abs(t.coord.z-c):!1;!e||h?(i[0]=u.clamp(s,0,1),i[1]=1-i[0]):(i[0]=u.clamp(1-l,0,1),i[1]=1-i[0])}var f=r.paint["raster-opacity"];return i[0]*=f,i[1]*=f,i}var u=t("../util/util"),c=t("../util/struct_array");e.exports=n,n.RasterBoundsArray=new c({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]})},{"../util/struct_array":347,"../util/util":349}],268:[function(t,e,r){"use strict";function n(t,e,r,n){if(!t.isOpaquePass){var o=!(r.layout["text-allow-overlap"]||r.layout["icon-allow-overlap"]||r.layout["text-ignore-placement"]||r.layout["icon-ignore-placement"]),a=t.gl;o?a.disable(a.STENCIL_TEST):a.enable(a.STENCIL_TEST),t.setDepthSublayer(0),t.depthMask(!1),a.disable(a.DEPTH_TEST),i(t,e,r,n,!1,r.paint["icon-translate"],r.paint["icon-translate-anchor"],r.layout["icon-rotation-alignment"],r.layout["icon-size"],r.paint["icon-halo-width"],r.paint["icon-halo-color"],r.paint["icon-halo-blur"],r.paint["icon-opacity"],r.paint["icon-color"]),i(t,e,r,n,!0,r.paint["text-translate"],r.paint["text-translate-anchor"],r.layout["text-rotation-alignment"],r.layout["text-size"],r.paint["text-halo-width"],r.paint["text-halo-color"],r.paint["text-halo-blur"],r.paint["text-opacity"],r.paint["text-color"]),a.enable(a.DEPTH_TEST),s(t,e,r,n)}}function i(t,e,r,n,i,a,s,u,c,h,f,d,p,v){f=l.premultiply(f),v=l.premultiply(v);for(var m=0;mthis.previousZoom;r--)this.changeTimes[r]=e,this.changeOpacities[r]=this.opacities[r];for(r=0;256>r;r++){var n=e-this.changeTimes[r],i=n/this.fadeDuration*255;t>=r?this.opacities[r]=this.changeOpacities[r]+i:this.opacities[r]=this.changeOpacities[r]-i}this.changed=!0,this.previousZoom=t},n.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.changed&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,256,1,t.ALPHA,t.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,256,1,0,t.ALPHA,t.UNSIGNED_BYTE,this.array))}},{}],270:[function(t,e,r){"use strict";function n(t,e){this.width=t,this.height=e,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}}e.exports=n,n.prototype.setSprite=function(t){this.sprite=t},n.prototype.getDash=function(t,e){var r=t.join(",")+e;return this.positions[r]||(this.positions[r]=this.addDash(t,e)),this.positions[r]},n.prototype.addDash=function(t,e){var r=e?7:0,n=2*r+1,i=128;if(this.nextRow+n>this.height)return console.warn("LineAtlas out of space"),null;for(var o=0,a=0;a=c;c++)for(var h=this.nextRow+r+c,f=this.width*h,d=u?-t[t.length-1]:0,p=t[0],v=1,m=0;mp;)d=p,p+=t[v],u&&v===t.length-1&&(p+=t[0]),v++;var g,y=Math.abs(m-d*s),b=Math.abs(m-p*s),x=Math.min(y,b),_=v%2===1;if(e){var w=r?c/r*(l+1):0;if(_){var M=l-Math.abs(w);g=Math.sqrt(x*x+M*M)}else g=l-Math.sqrt(x*x+w*w)}else g=(_?1:-1)*x;this.data[3+4*(f+m)]=Math.max(0,Math.min(255,g+i))}var k={y:(this.nextRow+r+.5)/this.height,height:2*r/this.height,width:o};return this.nextRow+=n,this.dirty=!0,k},n.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.dirty&&(this.dirty=!1,t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.RGBA,t.UNSIGNED_BYTE,this.data))):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,this.data))}},{}],271:[function(t,e,r){"use strict";function n(t,e){this.gl=t,this.transform=e,this.reusableTextures={},this.preFbos={},this.frameHistory=new a,this.setup(),this.numSublayers=s.maxUnderzooming+s.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.lineWidthRange=t.getParameter(t.ALIASED_LINE_WIDTH_RANGE)}var i=t("../util/browser"),o=t("gl-matrix").mat4,a=t("./frame_history"),s=t("../source/tile_pyramid"),l=t("../data/bucket").EXTENT,u=t("../source/pixels_to_tile_units"),c=t("../util/util"),h=t("../util/struct_array"),f=t("../data/buffer"),d=t("./vertex_array_object"),p=t("./draw_raster").RasterBoundsArray;e.exports=n,c.extend(n.prototype,t("./painter/use_program")),n.prototype.resize=function(t,e){var r=this.gl;this.width=t*i.devicePixelRatio,this.height=e*i.devicePixelRatio,r.viewport(0,0,this.width,this.height)},n.prototype.setup=function(){var t=this.gl;t.verbose=!0,t.enable(t.BLEND),t.blendFunc(t.ONE,t.ONE_MINUS_SRC_ALPHA),t.enable(t.STENCIL_TEST),t.enable(t.DEPTH_TEST),t.depthFunc(t.LEQUAL),this._depthMask=!1,t.depthMask(!1);var e=this.PosArray=new h({members:[{name:"a_pos",type:"Int16",components:2}]}),r=new e;r.emplaceBack(0,0),r.emplaceBack(l,0),r.emplaceBack(0,l),r.emplaceBack(l,l),this.tileExtentBuffer=new f(r.serialize(),e.serialize(),f.BufferType.VERTEX),this.tileExtentVAO=new d,this.tileExtentPatternVAO=new d;var n=new e;n.emplaceBack(0,0),n.emplaceBack(l,0),n.emplaceBack(l,l),n.emplaceBack(0,l),n.emplaceBack(0,0),this.debugBuffer=new f(n.serialize(),e.serialize(),f.BufferType.VERTEX),this.debugVAO=new d;var i=new p;i.emplaceBack(0,0,0,0),i.emplaceBack(l,0,32767,0),i.emplaceBack(0,l,0,32767),i.emplaceBack(l,l,32767,32767),this.rasterBoundsBuffer=new f(i.serialize(),p.serialize(),f.BufferType.VERTEX),this.rasterBoundsVAO=new d},n.prototype.clearColor=function(){var t=this.gl;t.clearColor(0,0,0,0),t.clear(t.COLOR_BUFFER_BIT)},n.prototype.clearStencil=function(){var t=this.gl;t.clearStencil(0),t.stencilMask(255),t.clear(t.STENCIL_BUFFER_BIT)},n.prototype.clearDepth=function(){var t=this.gl;t.clearDepth(1),this.depthMask(!0),t.clear(t.DEPTH_BUFFER_BIT)},n.prototype._renderTileClippingMasks=function(t){var e=this.gl;e.colorMask(!1,!1,!1,!1),this.depthMask(!1),e.disable(e.DEPTH_TEST),e.enable(e.STENCIL_TEST),e.stencilMask(248),e.stencilOp(e.KEEP,e.KEEP,e.REPLACE);var r=1;this._tileClippingMaskIDs={};for(var n=0;n0?e.pop():null},n.prototype.lineWidth=function(t){this.gl.lineWidth(c.clamp(t,this.lineWidthRange[0],this.lineWidthRange[1]))},n.prototype.showOverdrawInspector=function(t){if(t||this._showOverdrawInspector){this._showOverdrawInspector=t;var e=this.gl;if(t){e.blendFunc(e.CONSTANT_COLOR,e.ONE);var r=8,n=1/r;e.blendColor(n,n,n,0),e.clearColor(0,0,0,1),e.clear(e.COLOR_BUFFER_BIT)}else e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA)}}},{"../data/bucket":247,"../data/buffer":252,"../source/pixels_to_tile_units":277,"../source/tile_pyramid":282,"../util/browser":335,"../util/struct_array":347,"../util/util":349,"./draw_background":261,"./draw_circle":262,"./draw_debug":264,"./draw_fill":265,"./draw_line":266,"./draw_raster":267,"./draw_symbol":268,"./frame_history":269,"./painter/use_program":272,"./vertex_array_object":273,"gl-matrix":363}],272:[function(t,e,r){"use strict";var n=(t("path"),t("assert")),i=t("../../util/util"),o={debug:{fragmentSource:"precision mediump float;\n\nuniform lowp vec4 u_color;\n\nvoid main() {\n gl_FragColor = u_color;\n}\n",vertexSource:"precision highp float;\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, step(32767.0, a_pos.x), 1);\n}\n"},fill:{fragmentSource:"precision mediump float;\n\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\n\nvoid main() {\n gl_FragColor = u_color * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\nattribute vec2 a_pos;\nuniform mat4 u_matrix;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n}\n"},circle:{fragmentSource:"precision mediump float;\n\nuniform lowp float u_blur;\nuniform lowp float u_opacity;\n\nvarying lowp vec4 v_color;\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main() {\n float t = smoothstep(1.0 - max(u_blur, v_antialiasblur), 1.0, length(v_extrude));\n gl_FragColor = v_color * (1.0 - t) * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\nuniform mat4 u_matrix;\nuniform vec2 u_extrude_scale;\nuniform float u_devicepixelratio;\n\nattribute vec2 a_pos;\n\n#ifdef ATTRIBUTE_A_COLOR\nattribute lowp vec4 a_color;\n#elif defined ATTRIBUTE_ZOOM_FUNCTION_A_COLOR0\nuniform lowp float u_color_t;\nattribute lowp vec4 a_color0;\nattribute lowp vec4 a_color1;\nattribute lowp vec4 a_color2;\nattribute lowp vec4 a_color3;\n#else\nuniform lowp vec4 a_color;\n#endif\n\n#ifdef ATTRIBUTE_A_RADIUS\nattribute mediump float a_radius;\n#elif defined ATTRIBUTE_ZOOM_FUNCTION_A_RADIUS\nuniform lowp float u_radius_t;\nattribute mediump vec4 a_radius;\n#else\nuniform mediump float a_radius;\n#endif\n\nvarying vec2 v_extrude;\nvarying lowp vec4 v_color;\nvarying lowp float v_antialiasblur;\n\nfloat evaluate_zoom_function_1(const vec4 values, const float t) {\n if (t < 1.0) {\n return mix(values[0], values[1], t);\n } else if (t < 2.0) {\n return mix(values[1], values[2], t - 1.0);\n } else {\n return mix(values[2], values[3], t - 2.0);\n }\n}\n\nvec4 evaluate_zoom_function_4(const vec4 value0, const vec4 value1, const vec4 value2, const vec4 value3, const float t) {\n if (t < 1.0) {\n return mix(value0, value1, t);\n } else if (t < 2.0) {\n return mix(value1, value2, t - 1.0);\n } else {\n return mix(value2, value3, t - 2.0);\n }\n}\n\nvoid main(void) {\n\n#ifdef ATTRIBUTE_A_RADIUS\n mediump float radius = a_radius / 10.0;\n#elif defined ATTRIBUTE_ZOOM_FUNCTION_A_RADIUS\n mediump float radius = evaluate_zoom_function_1(a_radius, u_radius_t) / 10.0;\n#else\n mediump float radius = a_radius;\n#endif\n\n // unencode the extrusion vector that we snuck into the a_pos vector\n v_extrude = vec2(mod(a_pos, 2.0) * 2.0 - 1.0);\n\n vec2 extrude = v_extrude * radius * u_extrude_scale;\n // multiply a_pos by 0.5, since we had it * 2 in order to sneak\n // in extrusion data\n gl_Position = u_matrix * vec4(floor(a_pos * 0.5), 0, 1);\n\n // gl_Position is divided by gl_Position.w after this shader runs.\n // Multiply the extrude by it so that it isn't affected by it.\n gl_Position.xy += extrude * gl_Position.w;\n\n#ifdef ATTRIBUTE_A_COLOR\n v_color = a_color / 255.0;\n#elif defined ATTRIBUTE_ZOOM_FUNCTION_A_COLOR0\n v_color = evaluate_zoom_function_4(a_color0, a_color1, a_color2, a_color3, u_color_t) / 255.0;\n#else\n v_color = a_color;\n#endif\n\n // This is a minimum blur distance that serves as a faux-antialiasing for\n // the circle. since blur is a ratio of the circle's size and the intent is\n // to keep the blur at roughly 1px, the two are inversely related.\n v_antialiasblur = 1.0 / u_devicepixelratio / radius;\n}\n"},line:{fragmentSource:"precision mediump float;\n\nuniform vec2 u_linewidth;\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform float u_blur;\n\nvarying vec2 v_normal;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * u_linewidth.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_linewidth.t) or when fading out\n // (v_linewidth.s)\n float blur = u_blur * v_gamma_scale;\n float alpha = clamp(min(dist - (u_linewidth.t - blur), u_linewidth.s - dist) / blur, 0.0, 1.0);\n\n gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_ratio;\nuniform mediump vec2 u_linewidth;\nuniform float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n\n // We store the texture normals in the most insignificant bit\n // transform y so that 0 => -1 and 1 => 1\n // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = mod(a_pos, 2.0);\n normal.y = sign(normal.y - 0.5);\n v_normal = normal;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec4 dist = vec4(u_linewidth.s * a_extrude * scale, 0.0, 0.0);\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n // Remove the texture normal bit of the position before scaling it with the\n // model/view matrix.\n gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist.xy) / u_ratio, 0.0, 1.0);\n\n // position of y on the screen\n float y = gl_Position.y / gl_Position.w;\n\n // how much features are squished in the y direction by the tilt\n float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n // how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linepattern:{fragmentSource:"precision mediump float;\n\nuniform vec2 u_linewidth;\nuniform float u_point;\nuniform float u_blur;\n\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_fade;\nuniform float u_opacity;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * u_linewidth.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_linewidth.t) or when fading out\n // (v_linewidth.s)\n float blur = u_blur * v_gamma_scale;\n float alpha = clamp(min(dist - (u_linewidth.t - blur), u_linewidth.s - dist) / blur, 0.0, 1.0);\n\n float x_a = mod(v_linesofar / u_pattern_size_a.x, 1.0);\n float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0);\n float y_a = 0.5 + (v_normal.y * u_linewidth.s / u_pattern_size_a.y);\n float y_b = 0.5 + (v_normal.y * u_linewidth.s / u_pattern_size_b.y);\n vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, vec2(x_a, y_a));\n vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, vec2(x_b, y_b));\n\n vec4 color = mix(texture2D(u_image, pos), texture2D(u_image, pos2), u_fade);\n\n alpha *= u_opacity;\n\n gl_FragColor = color * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump vec2 u_linewidth;\nuniform float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n // We store the texture normals in the most insignificant bit\n // transform y so that 0 => -1 and 1 => 1\n // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = mod(a_pos, 2.0);\n normal.y = sign(normal.y - 0.5);\n v_normal = normal;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec2 extrude = a_extrude * scale;\n mediump vec2 dist = u_linewidth.s * extrude;\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n // Remove the texture normal bit of the position before scaling it with the\n // model/view matrix.\n gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist.xy) / u_ratio, 0.0, 1.0);\n v_linesofar = a_linesofar;\n\n // position of y on the screen\n float y = gl_Position.y / gl_Position.w;\n\n // how much features are squished in the y direction by the tilt\n float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n // how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linesdfpattern:{fragmentSource:"precision mediump float;\n\nuniform vec2 u_linewidth;\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform float u_blur;\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\nvoid main() {\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * u_linewidth.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_linewidth.t) or when fading out\n // (v_linewidth.s)\n float blur = u_blur * v_gamma_scale;\n float alpha = clamp(min(dist - (u_linewidth.t - blur), u_linewidth.s - dist) / blur, 0.0, 1.0);\n\n float sdfdist_a = texture2D(u_image, v_tex_a).a;\n float sdfdist_b = texture2D(u_image, v_tex_b).a;\n float sdfdist = mix(sdfdist_a, sdfdist_b, u_mix);\n alpha *= smoothstep(0.5 - u_sdfgamma, 0.5 + u_sdfgamma, sdfdist);\n\n gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump vec2 u_linewidth;\nuniform mediump float u_ratio;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n // We store the texture normals in the most insignificant bit\n // transform y so that 0 => -1 and 1 => 1\n // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = mod(a_pos, 2.0);\n normal.y = sign(normal.y - 0.5);\n v_normal = normal;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec4 dist = vec4(u_linewidth.s * a_extrude * scale, 0.0, 0.0);\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n // Remove the texture normal bit of the position before scaling it with the\n // model/view matrix.\n gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist.xy) / u_ratio, 0.0, 1.0);\n\n v_tex_a = vec2(a_linesofar * u_patternscale_a.x, normal.y * u_patternscale_a.y + u_tex_y_a);\n v_tex_b = vec2(a_linesofar * u_patternscale_b.x, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n // position of y on the screen\n float y = gl_Position.y / gl_Position.w;\n\n // how much features are squished in the y direction by the tilt\n float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n // how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n v_gamma_scale = perspective_scale * squish_scale;\n}\n"
},outline:{fragmentSource:"precision mediump float;\n\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\n\nvarying vec2 v_pos;\n\nvoid main() {\n float dist = length(v_pos - gl_FragCoord.xy);\n float alpha = smoothstep(1.0, 0.0, dist);\n gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos = (gl_Position.xy/gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},outlinepattern:{fragmentSource:"precision mediump float;\n\nuniform float u_opacity;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\nvoid main() {\n vec2 imagecoord = mod(v_pos_a, 1.0);\n vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n vec4 color1 = texture2D(u_image, pos);\n\n vec2 imagecoord_b = mod(v_pos_b, 1.0);\n vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n vec4 color2 = texture2D(u_image, pos2);\n\n // find distance to outline for alpha interpolation\n\n float dist = length(v_pos - gl_FragCoord.xy);\n float alpha = smoothstep(1.0, 0.0, dist);\n \n\n gl_FragColor = mix(color1, color2, u_mix) * alpha * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\nuniform vec2 u_patternscale_a;\nuniform vec2 u_patternscale_b;\nuniform vec2 u_offset_a;\nuniform vec2 u_offset_b;\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos_a = u_patternscale_a * a_pos + u_offset_a;\n v_pos_b = u_patternscale_b * a_pos + u_offset_b;\n v_pos = (gl_Position.xy/gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},pattern:{fragmentSource:"precision mediump float;\n\nuniform float u_opacity;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\nvoid main() {\n\n vec2 imagecoord = mod(v_pos_a, 1.0);\n vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n vec4 color1 = texture2D(u_image, pos);\n\n vec2 imagecoord_b = mod(v_pos_b, 1.0);\n vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n vec4 color2 = texture2D(u_image, pos2);\n\n gl_FragColor = mix(color1, color2, u_mix) * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\nuniform mat4 u_matrix;\nuniform vec2 u_patternscale_a;\nuniform vec2 u_patternscale_b;\nuniform vec2 u_offset_a;\nuniform vec2 u_offset_b;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos_a = u_patternscale_a * a_pos + u_offset_a;\n v_pos_b = u_patternscale_b * a_pos + u_offset_b;\n}\n"},raster:{fragmentSource:"precision mediump float;\n\nuniform float u_opacity0;\nuniform float u_opacity1;\nuniform sampler2D u_image0;\nuniform sampler2D u_image1;\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nuniform float u_brightness_low;\nuniform float u_brightness_high;\n\nuniform float u_saturation_factor;\nuniform float u_contrast_factor;\nuniform vec3 u_spin_weights;\n\nvoid main() {\n\n // read and cross-fade colors from the main and parent tiles\n vec4 color0 = texture2D(u_image0, v_pos0);\n vec4 color1 = texture2D(u_image1, v_pos1);\n vec4 color = color0 * u_opacity0 + color1 * u_opacity1;\n vec3 rgb = color.rgb;\n\n // spin\n rgb = vec3(\n dot(rgb, u_spin_weights.xyz),\n dot(rgb, u_spin_weights.zxy),\n dot(rgb, u_spin_weights.yzx));\n\n // saturation\n float average = (color.r + color.g + color.b) / 3.0;\n rgb += (average - rgb) * u_saturation_factor;\n\n // contrast\n rgb = (rgb - 0.5) * u_contrast_factor + 0.5;\n\n // brightness\n vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);\n vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);\n\n gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb), color.a);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\nuniform mat4 u_matrix;\nuniform vec2 u_tl_parent;\nuniform float u_scale_parent;\nuniform float u_buffer_scale;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos0 = (((a_texture_pos / 32767.0) - 0.5) / u_buffer_scale ) + 0.5;\n v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;\n}\n"},icon:{fragmentSource:"precision mediump float;\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp float u_opacity;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * u_opacity;\n gl_FragColor = texture2D(u_texture, v_tex) * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec4 a_data1;\nattribute vec4 a_data2;\n\n\n// matrix is for the vertex position, exmatrix is for rotating and projecting\n// the extrusion vector.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_skewed;\nuniform float u_extra;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n vec2 a_tex = a_data1.xy;\n mediump float a_labelminzoom = a_data1[2];\n mediump vec2 a_zoom = a_data2.st;\n mediump float a_minzoom = a_zoom[0];\n mediump float a_maxzoom = a_zoom[1];\n\n // u_zoom is the current zoom level adjusted for the change in font size\n mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n if (u_skewed) {\n gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n gl_Position.z += z * gl_Position.w;\n } else {\n gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n }\n\n v_tex = a_tex / u_texsize;\n v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},sdf:{fragmentSource:"precision mediump float;\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform lowp float u_buffer;\nuniform lowp float u_gamma;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n lowp float dist = texture2D(u_texture, v_tex).a;\n lowp float fade_alpha = texture2D(u_fadetexture, v_fade_tex).a;\n lowp float gamma = u_gamma * v_gamma_scale;\n lowp float alpha = smoothstep(u_buffer - gamma, u_buffer + gamma, dist) * fade_alpha;\n gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"precision highp float;\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec4 a_data1;\nattribute vec4 a_data2;\n\n\n// matrix is for the vertex position, exmatrix is for rotating and projecting\n// the extrusion vector.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_skewed;\nuniform float u_extra;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_tex = a_data1.xy;\n mediump float a_labelminzoom = a_data1[2];\n mediump vec2 a_zoom = a_data2.st;\n mediump float a_minzoom = a_zoom[0];\n mediump float a_maxzoom = a_zoom[1];\n\n // u_zoom is the current zoom level adjusted for the change in font size\n mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n if (u_skewed) {\n gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n gl_Position.z += z * gl_Position.w;\n } else {\n gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n }\n\n // position of y on the screen\n float y = gl_Position.y / gl_Position.w;\n // how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - y * u_extra);\n v_gamma_scale = perspective_scale;\n\n v_tex = a_tex / u_texsize;\n v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},collisionbox:{fragmentSource:"precision mediump float;\n\nuniform float u_zoom;\nuniform float u_maxzoom;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n\n float alpha = 0.5;\n\n gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\n\n if (v_placement_zoom > u_zoom) {\n gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n }\n\n if (u_zoom >= v_max_zoom) {\n gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\n }\n\n if (v_placement_zoom >= u_maxzoom) {\n gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0) * alpha * 0.2;\n }\n}\n",vertexSource:"precision highp float;\n\nattribute vec2 a_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_scale;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos + a_extrude / u_scale, 0.0, 1.0);\n\n v_max_zoom = a_data.x;\n v_placement_zoom = a_data.y;\n}\n"}};e.exports._createProgram=function(t,e){var r=this.gl,a=r.createProgram(),s=o[t],l="";if(e)for(var u=0;up;p++){var v=r.getActiveAttrib(a,p);f[v.name]=p}for(var m={},g=r.getProgramParameter(a,r.ACTIVE_UNIFORMS),y=0;g>y;y++){var b=r.getActiveUniform(a,y);m[b.name]=r.getUniformLocation(a,b.name)}return i.extend({program:a,definition:s,attributes:f,numAttributes:d},f,m)},e.exports._createProgramCached=function(t,e){this.cache=this.cache||{},this._showOverdrawInspector&&(e=e||[],e.push("OVERDRAW_INSPECTOR"));var r=JSON.stringify({name:t,macros:e});return this.cache[r]||(this.cache[r]=this._createProgram(t,e)),this.cache[r]},e.exports.useProgram=function(t,e){var r=this.gl,n=this._createProgramCached(t,e),i=this.currentProgram;return i!==n&&(r.useProgram(n.program),this.currentProgram=n),n}},{"../../util/util":349,assert:52,path:59}],273:[function(t,e,r){"use strict";function n(){this.boundProgram=null,this.boundVertexBuffer=null,this.boundVertexBuffer2=null,this.boundElementBuffer=null,this.vao=null}var i=t("assert");e.exports=n;var o=!1;n.prototype.bind=function(t,e,r,n,a){var s=t.extVertexArrayObject;if(void 0===s&&(s=t.extVertexArrayObject=t.getExtension("OES_vertex_array_object")),s?(this.vao||(this.vao=s.createVertexArrayOES()),s.bindVertexArrayOES(this.vao)):o||(console.warn("Not using VertexArrayObject extension."),o=!0),this.boundProgram)i(this.boundProgram===e,"trying to bind a VAO to a different shader"),i(this.boundVertexBuffer===r,"trying to bind a VAO to a different vertex buffer"),i(this.boundVertexBuffer2===a,"trying to bind a VAO to a different vertex buffer"),i(this.boundElementBuffer===n,"trying to bind a VAO to a different element buffer");else{var l,u=s?0:t.currentNumAttributes||0,c=e.numAttributes;for(l=u;c>l;l++)t.enableVertexAttribArray(l);if(!s){for(i(l>0),l=c;u>l;l++)t.disableVertexAttribArray(l);t.currentNumAttributes=c}r.bind(t),r.setVertexAttribPointers(t,e),a&&(a.bind(t),a.setVertexAttribPointers(t,e)),n&&n.bind(t),s&&(this.boundProgram=e,this.boundVertexBuffer=r,this.boundVertexBuffer2=a,this.boundElementBuffer=n)}},n.prototype.unbind=function(t){var e=t.extVertexArrayObject;e&&e.bindVertexArrayOES(null)},n.prototype.destroy=function(t){var e=t.extVertexArrayObject;e&&this.vao&&(e.deleteVertexArrayOES(this.vao),this.vao=null)}},{assert:52}],274:[function(t,e,r){"use strict";function n(t){t=t||{},this._data=t.data,void 0!==t.maxzoom&&(this.maxzoom=t.maxzoom);var e=u/this.tileSize;this.geojsonVtOptions={buffer:(void 0!==t.buffer?t.buffer:128)*e,tolerance:(void 0!==t.tolerance?t.tolerance:.375)*e,extent:u,maxZoom:this.maxzoom},this.cluster=t.cluster||!1,this.superclusterOptions={maxZoom:Math.min(t.clusterMaxZoom,this.maxzoom-1)||this.maxzoom-1,extent:u,radius:(t.clusterRadius||50)*e,log:!1},this._pyramid=new a({tileSize:this.tileSize,minzoom:this.minzoom,maxzoom:this.maxzoom,reparseOverscaled:!0,load:this._loadTile.bind(this),abort:this._abortTile.bind(this),unload:this._unloadTile.bind(this),add:this._addTile.bind(this),remove:this._removeTile.bind(this),redoPlacement:this._redoTilePlacement.bind(this)})}var i=t("../util/util"),o=t("../util/evented"),a=t("./tile_pyramid"),s=t("./source"),l=t("resolve-url"),u=t("../data/bucket").EXTENT;e.exports=n,n.prototype=i.inherit(o,{minzoom:0,maxzoom:18,tileSize:512,_dirty:!0,isTileClipped:!0,setData:function(t){return this._data=t,this._dirty=!0,this.fire("change"),this.map&&this.update(this.map.transform),this},onAdd:function(t){this.map=t},loaded:function(){return this._loaded&&this._pyramid.loaded()},update:function(t){this._dirty&&this._updateData(),this._loaded&&this._pyramid.update(this.used,t)},reload:function(){this._loaded&&this._pyramid.reload()},serialize:function(){return{type:"geojson",data:this._data}},getVisibleCoordinates:s._getVisibleCoordinates,getTile:s._getTile,queryRenderedFeatures:s._queryRenderedVectorFeatures,querySourceFeatures:s._querySourceFeatures,_updateData:function(){this._dirty=!1;var t={tileSize:this.tileSize,source:this.id,geojsonVtOptions:this.geojsonVtOptions,cluster:this.cluster,superclusterOptions:this.superclusterOptions},e=this._data;"string"==typeof e?t.url="undefined"!=typeof window?l(window.location.href,e):e:t.data=JSON.stringify(e),this.workerID=this.dispatcher.send("parse geojson",t,function(t){this._loaded=!0,t?this.fire("error",{error:t}):(this._pyramid.reload(),this.fire("change"))}.bind(this))},_loadTile:function(t){var e=t.coord.z>this.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,r={uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,overscaling:e,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send("load geojson tile",r,function(e,r){if(t.unloadVectorData(this.map.painter),!t.aborted){if(e)return void this.fire("tile.error",{tile:t});t.loadVectorData(r,this.map.style),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(this)),this.fire("tile.load",{tile:t})}}.bind(this),this.workerID)},_abortTile:function(t){t.aborted=!0},_addTile:function(t){this.fire("tile.add",{tile:t})},_removeTile:function(t){this.fire("tile.remove",{tile:t})},_unloadTile:function(t){t.unloadVectorData(this.map.painter),this.dispatcher.send("remove tile",{uid:t.uid,source:this.id},null,t.workerID)},redoPlacement:s.redoPlacement,_redoTilePlacement:function(t){t.redoPlacement(this)}})},{"../data/bucket":247,"../util/evented":341,"../util/util":349,"./source":279,"./tile_pyramid":282,"resolve-url":405}],275:[function(t,e,r){"use strict";function n(t){this.features=t,this.length=t.length,this.extent=s}function i(t){this.type=t.type,this.rawGeometry=1===t.type?[t.geometry]:t.geometry,this.properties=t.tags,this.extent=s}var o=t("point-geometry"),a=t("vector-tile").VectorTileFeature,s=t("../data/bucket").EXTENT;e.exports=n,n.prototype.feature=function(t){return new i(this.features[t])},i.prototype.loadGeometry=function(){var t=this.rawGeometry;this.geometry=[];for(var e=0;e=0&&t%1===0),s(!isNaN(e)&&e>=0&&e%1===0),s(!isNaN(r)&&r>=0&&r%1===0),isNaN(n)&&(n=0),this.z=+t,this.x=+e,this.y=+r,this.w=+n,n*=2,0>n&&(n=-1*n-1);var i=1<e.row){var r=t;t=e,e=r}return{x0:t.column,y0:t.row,x1:e.column,y1:e.row,dx:e.column-t.column,dy:e.row-t.row}}function o(t,e,r,n,i){var o=Math.max(r,Math.floor(e.y0)),a=Math.min(n,Math.ceil(e.y1));if(t.x0===e.x0&&t.y0===e.y0?t.x0+e.dy/t.dy*t.dx0,h=e.dx<0,f=o;a>f;f++){var d=l*Math.max(0,Math.min(t.dy,f+c-t.y0))+t.x0,p=u*Math.max(0,Math.min(e.dy,f+h-e.y0))+e.x0;i(Math.floor(p),Math.ceil(d),f)}}function a(t,e,r,n,a,s){var l,u=i(t,e),c=i(e,r),h=i(r,t);u.dy>c.dy&&(l=u,u=c,c=l),u.dy>h.dy&&(l=u,u=h,h=l),c.dy>h.dy&&(l=c,c=h,h=l),u.dy&&o(h,u,n,a,s),c.dy&&o(h,c,n,a,s)}var s=t("assert"),l=t("../geo/coordinate");e.exports=n,n.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},n.prototype.toCoordinate=function(t){var e=Math.min(this.z,t),r=Math.pow(2,e),n=this.y,i=this.x+r*this.w;return new l(i,n,e)},n.fromID=function(t){var e=t%32,r=1<t?new n(this.z-1,this.x,this.y,this.w):new n(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},n.prototype.wrapped=function(){return new n(this.z,this.x,this.y,0)},n.prototype.children=function(t){if(this.z>=t)return[new n(this.z+1,this.x,this.y,this.w)];var e=this.z+1,r=2*this.x,i=2*this.y;return[new n(e,r,i,this.w),new n(e,r+1,i,this.w),new n(e,r,i+1,this.w),new n(e,r+1,i+1,this.w)]},n.cover=function(t,e,r){function i(t,e,i){var a,l,u;if(i>=0&&o>=i)for(a=t;e>a;a++)l=(a%o+o)%o,u=new n(r,l,i,Math.floor(a/o)),s[u.id]=u}var o=1<this.maxzoom&&(e=this.maxzoom);var n=t,i=n.locationCoordinate(n.center)._zoomTo(e),o=new l(i.column-.5,i.row-.5);return s.cover(e,[n.pointCoordinate(new l(0,0))._zoomTo(e),n.pointCoordinate(new l(n.width,0))._zoomTo(e),n.pointCoordinate(new l(n.width,n.height))._zoomTo(e),n.pointCoordinate(new l(0,n.height))._zoomTo(e)],this.reparseOverscaled?r:e).sort(function(t,e){return o.dist(t)-o.dist(e)})},findLoadedChildren:function(t,e,r){var n=!1;for(var i in this._tiles){var o=this._tiles[i];if(!(r[i]||!o.loaded||o.coord.z<=t.z||o.coord.z>e)){
var a=Math.pow(2,Math.min(o.coord.z,this.maxzoom)-Math.min(t.z,this.maxzoom));if(Math.floor(o.coord.x/a)===t.x&&Math.floor(o.coord.y/a)===t.y)for(r[i]=!0,n=!0;o&&o.coord.z-1>t.z;){var s=o.coord.parent(this.maxzoom).id;o=this._tiles[s],o&&o.loaded&&(delete r[i],r[s]=!0)}}}return n},findLoadedParent:function(t,e,r){for(var n=t.z-1;n>=e;n--){t=t.parent(this.maxzoom);var i=this._tiles[t.id];if(i&&i.loaded)return r[t.id]=!0,i;if(this._cache.has(t.id))return this.addTile(t),r[t.id]=!0,this._tiles[t.id]}},updateCacheSize:function(t){var e=Math.ceil(t.width/t.tileSize)+1,r=Math.ceil(t.height/t.tileSize)+1,n=e*r,i=5;this._cache.setMaxSize(Math.floor(n*i))},update:function(t,e,r){var i,o,a;this.updateCacheSize(e);var l=(this.roundZoom?Math.round:Math.floor)(this.getZoom(e)),u=Math.max(l-n.maxOverzooming,this.minzoom),c=Math.max(l+n.maxUnderzooming,this.minzoom),f={},d=(new Date).getTime();this._coveredTiles={};var p=t?this.coveringTiles(e):[];for(i=0;id-(r||0)&&(this.findLoadedChildren(o,c,f)&&(f[y]=!0),this.findLoadedParent(o,u,v))}var b;for(b in v)f[b]||(this._coveredTiles[b]=!0);for(b in v)f[b]=!0;var x=h.keysDifference(this._tiles,f);for(i=0;ithis.maxzoom?Math.pow(2,n-this.maxzoom):1;e=new a(r,this.tileSize*i,this.maxzoom),this._load(e)}return e.uses++,this._tiles[t.id]=e,this._add(e,t),e},removeTile:function(t){var e=this._tiles[t];e&&(e.uses--,delete this._tiles[t],this._remove(e),e.uses>0||(e.loaded?this._cache.add(e.coord.wrapped().id,e):(this._abort(e),this._unload(e))))},clearTiles:function(){for(var t in this._tiles)this.removeTile(t);this._cache.reset()},tilesIn:function(t){for(var e={},r=this.orderedIDs(),n=1/0,o=1/0,a=-(1/0),l=-(1/0),u=t[0].zoom,h=0;h=0&&g[1].y>=0){for(var y=[],b=0;bthis.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,r={url:s(t.coord.url(this.tiles,this.maxzoom),this.url),uid:t.uid,coord:t.coord,zoom:t.coord.z,tileSize:this.tileSize*e,source:this.id,overscaling:e,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID?(r.rawTileData=t.rawTileData,this.dispatcher.send("reload tile",r,this._tileLoaded.bind(this,t),t.workerID)):t.workerID=this.dispatcher.send("load tile",r,this._tileLoaded.bind(this,t))},_tileLoaded:function(t,e,r){if(!t.aborted){if(e)return t.errored=!0,void this.fire("tile.error",{tile:t,error:e});t.loadVectorData(r,this.map.style),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(this)),this.fire("tile.load",{tile:t}),this.fire("tile.stats",r.bucketStats)}},_abortTile:function(t){t.aborted=!0,this.dispatcher.send("abort tile",{uid:t.uid,source:this.id},null,t.workerID)},_addTile:function(t){this.fire("tile.add",{tile:t})},_removeTile:function(t){this.fire("tile.remove",{tile:t})},_unloadTile:function(t){t.unloadVectorData(this.map.painter),this.dispatcher.send("remove tile",{uid:t.uid,source:this.id},null,t.workerID)},redoPlacement:a.redoPlacement,_redoTilePlacement:function(t){t.redoPlacement(this)}})},{"../util/evented":341,"../util/mapbox":346,"../util/util":349,"./source":279}],284:[function(t,e,r){"use strict";function n(t){this.urls=t.urls,this.coordinates=t.coordinates,c.getVideo(t.urls,function(e,r){if(!e){this.video=r,this.video.loop=!0;var n;this.video.addEventListener("playing",function(){n=this.map.style.animationLoop.set(1/0),this.map._rerender()}.bind(this)),this.video.addEventListener("pause",function(){this.map.style.animationLoop.cancel(n)}.bind(this)),this._loaded=!0,this.map&&(this.video.play(),this.setCoordinates(t.coordinates))}}.bind(this))}var i=t("../util/util"),o=t("./tile"),a=t("./tile_coord"),s=t("../geo/lng_lat"),l=t("point-geometry"),u=t("../util/evented"),c=t("../util/ajax"),h=t("../data/bucket").EXTENT,f=t("../render/draw_raster").RasterBoundsArray,d=t("../data/buffer"),p=t("../render/vertex_array_object");e.exports=n,n.prototype=i.inherit(u,{roundZoom:!0,getVideo:function(){return this.video},onAdd:function(t){this.map=t,this.video&&(this.video.play(),this.setCoordinates(this.coordinates))},setCoordinates:function(t){this.coordinates=t;var e=this.map,r=t.map(function(t){return e.transform.locationCoordinate(s.convert(t)).zoomTo(0)}),n=this.centerCoord=i.getCoordinatesCenter(r);n.column=Math.round(n.column),n.row=Math.round(n.row);var u=r.map(function(t){var e=t.zoomTo(n.zoom);return new l(Math.round((e.column-n.column)*h),Math.round((e.row-n.row)*h))}),c=32767,v=new f;return v.emplaceBack(u[0].x,u[0].y,0,0),v.emplaceBack(u[1].x,u[1].y,c,0),v.emplaceBack(u[3].x,u[3].y,0,c),v.emplaceBack(u[2].x,u[2].y,c,c),this.tile=new o(new a(n.zoom,n.column,n.row)),this.tile.buckets={},this.tile.boundsBuffer=new d(v.serialize(),f.serialize(),d.BufferType.VERTEX),this.tile.boundsVAO=new p,this.fire("change"),this},loaded:function(){return this.video&&this.video.readyState>=2},update:function(){},reload:function(){},prepare:function(){if(this._loaded&&!(this.video.readyState<2)){var t=this.map.painter.gl;this.tile.texture?(t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,this.video)):(this.tile.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,this.video)),this._currentTime=this.video.currentTime}},getVisibleCoordinates:function(){return this.tile?[this.tile.coord]:[]},getTile:function(){return this.tile},serialize:function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}}})},{"../data/bucket":247,"../data/buffer":252,"../geo/lng_lat":256,"../render/draw_raster":267,"../render/vertex_array_object":273,"../util/ajax":334,"../util/evented":341,"../util/util":349,"./tile":280,"./tile_coord":281,"point-geometry":404}],285:[function(t,e,r){"use strict";function n(t){this.self=t,this.actor=new o(t,this),this.loading={},this.loaded={},this.geoJSONIndexes={}}function i(t){var e={};for(var r in t){var n=t[r],i=n.ref||n.id,o=t[i];o.layout&&"none"===o.layout.visibility||(e[i]=e[i]||[],r===i?e[i].unshift(n):e[i].push(n))}return e}var o=t("../util/actor"),a=t("./worker_tile"),s=t("../style/style_layer"),l=t("../util/util"),u=t("../util/ajax"),c=t("vector-tile"),h=t("pbf"),f=t("supercluster"),d=t("geojson-vt"),p=t("geojson-rewind"),v=t("./geojson_wrapper"),m=t("vt-pbf");e.exports=function(t){return new n(t)},l.extend(n.prototype,{"set layers":function(t){function e(t){var e=s.create(t,t.ref&&r.layers[t.ref]);e.updatePaintTransitions({},{transition:!1}),r.layers[e.id]=e}this.layers={};for(var r=this,n=[],o=0;o0)return!0}}return!1}function o(t){return t.serialize()}function a(t){var e=[];for(var r in t){var n=t[r];for(var i in n.arrayGroups)for(var o=n.arrayGroups[i],a=0;a=0;e--)m(T,P[e]);g()}}function m(t,e){var r=Date.now();e.populateBuffers(w,O,D);var n=Date.now()-r;if("symbol"!==e.type)for(var i=0;i=b.maxzoom||b.layout&&"none"===b.layout.visibility||t.layers&&!t.layers[b.sourceLayer]||(_=c.create({layer:b,index:L++,childLayers:e[z],zoom:this.zoom,overscaling:this.overscaling,showCollisionBoxes:this.showCollisionBoxes,collisionBoxArray:this.collisionBoxArray,sourceLayerIndex:k.encode(b.sourceLayer||"_geojsonTileLayer")}),_.createFilter(),E[b.id]=_,t.layers&&(x=b.sourceLayer,S[x]=S[x]||{},S[x][b.id]=_)));if(t.layers)for(x in S)b=t.layers[x],b&&p(b,S[x]);else p(t,E);var I=[],P=this.symbolBuckets=[],C=[];M.bucketLayerIDs={};for(var R in E)_=E[R],0!==_.features.length&&(M.bucketLayerIDs[_.index]=_.childLayers.map(s),I.push(_),"symbol"===_.type?P.push(_):C.push(_));var D={},O={},F=0;if(P.length>0){for(y=P.length-1;y>=0;y--)P[y].updateIcons(D),P[y].updateFont(O);for(var j in O)O[j]=Object.keys(O[j]).map(Number);D=Object.keys(D),r.send("get glyphs",{uid:this.uid,stacks:O},function(t,e){O=e,v(t)}),D.length?r.send("get icons",{icons:D},function(t,e){D=e,v(t)}):v()}for(y=C.length-1;y>=0;y--)m(this,C[y]);return 0===P.length?g():void 0},n.prototype.redoPlacement=function(t,e,r){if("done"!==this.status)return this.redoPlacementAfterDone=!0,this.angle=t,{};for(var n=new u(t,e,this.collisionBoxArray),s=this.symbolBuckets,l=s.length-1;l>=0;l--)s[l].placeFeatures(n,r);var c=n.serialize(),h=s.filter(i);return{result:{buckets:h.map(o),collisionTile:c.data},transferables:a(h).concat(c.transferables)}}},{"../data/bucket":247,"../data/feature_index":253,"../symbol/collision_box":306,"../symbol/collision_tile":308,"../util/dictionary_coder":340}],287:[function(t,e,r){"use strict";function n(){this.n=0,this.times=[]}e.exports=n,n.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},n.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},n.prototype.cancel=function(t){this.times=this.times.filter(function(e){return e.id!==t})}},{}],288:[function(t,e,r){"use strict";function n(t){this.base=t,this.retina=s.devicePixelRatio>1;var e=this.retina?"@2x":"";a.getJSON(l(t,e,".json"),function(t,e){return t?void this.fire("error",{error:t}):(this.data=e,void(this.img&&this.fire("load")))}.bind(this)),a.getImage(l(t,e,".png"),function(t,e){if(t)return void this.fire("error",{error:t});for(var r=e.getData(),n=e.data=new Uint8Array(r.length),i=0;i1!==this.retina){var t=new n(this.base);t.on("load",function(){this.img=t.img,this.data=t.data,this.retina=t.retina}.bind(this))}},i.prototype={x:0,y:0,width:0,height:0,pixelRatio:1,sdf:!1},n.prototype.getSpritePosition=function(t){if(!this.loaded())return new i;var e=this.data&&this.data[t];return e&&this.img?e:new i}},{"../util/ajax":334,"../util/browser":335,"../util/evented":341,"../util/mapbox":346}],289:[function(t,e,r){"use strict";function n(t){if(l[t])return l[t];if(Array.isArray(t))return t;if(t&&t.stops)return s.extend({},t,{stops:t.stops.map(i)});if("string"==typeof t){var e=a(t);if(!e)throw new Error("Invalid color "+t);var r=o(e);return l[t]=r,r}throw new Error("Invalid color "+t)}function i(t){return[t[0],n(t[1])]}function o(t){return[t[0]/255,t[1]/255,t[2]/255,t[3]/1]}var a=t("csscolorparser").parseCSSColor,s=t("../util/util"),l={};e.exports=n},{"../util/util":349,csscolorparser:351}],290:[function(t,e,r){"use strict";function n(t,e){this.animationLoop=e||new v,this.dispatcher=new p(Math.max(d.hardwareConcurrency-1,1),this),this.spriteAtlas=new l(512,512),this.lineAtlas=new u(256,512),this._layers={},this._order=[],this._groups=[],this.sources={},this.zoomHistory={},c.bindAll(["_forwardSourceEvent","_forwardTileEvent","_forwardLayerEvent","_redoPlacement"],this),this._resetUpdates();var r=function(t,e){if(t)return void this.fire("error",{error:t});if(!m.emitErrors(this,m(e))){this._loaded=!0,this.stylesheet=e,this.updateClasses();var r=e.sources;for(var n in r)this.addSource(n,r[n]);e.sprite&&(this.sprite=new a(e.sprite),this.sprite.on("load",this.fire.bind(this,"change"))),this.glyphSource=new s(e.glyphs),this._resolve(),this.fire("load")}}.bind(this);"string"==typeof t?h.getJSON(f(t),r):d.frame(r.bind(this,null,t)),this.on("source.load",function(t){var e=t.source;if(e&&e.vectorLayerIds)for(var r in this._layers){var n=this._layers[r];n.source===e.id&&this._validateLayer(n)}})}var i=t("../util/evented"),o=t("./style_layer"),a=t("./image_sprite"),s=t("../symbol/glyph_source"),l=t("../symbol/sprite_atlas"),u=t("../render/line_atlas"),c=t("../util/util"),h=t("../util/ajax"),f=t("../util/mapbox").normalizeStyleURL,d=t("../util/browser"),p=t("../util/dispatcher"),v=t("./animation_loop"),m=t("./validate_style"),g=t("../source/source"),y=t("./style_spec"),b=t("./style_function");e.exports=n,n.prototype=c.inherit(i,{_loaded:!1,_validateLayer:function(t){var e=this.sources[t.source];t.sourceLayer&&e&&e.vectorLayerIds&&-1===e.vectorLayerIds.indexOf(t.sourceLayer)&&this.fire("error",{error:new Error('Source layer "'+t.sourceLayer+'" does not exist on source "'+e.id+'" as specified by style layer "'+t.id+'"')})},loaded:function(){if(!this._loaded)return!1;for(var t in this.sources)if(!this.sources[t].loaded())return!1;return!this.sprite||this.sprite.loaded()},_resolve:function(){var t,e;this._layers={},this._order=this.stylesheet.layers.map(function(t){return t.id});for(var r=0;rMath.floor(t)&&(e.lastIntegerZoom=Math.floor(t+1),e.lastIntegerZoomTime=Date.now()),e.lastZoom=t},_checkLoaded:function(){if(!this._loaded)throw new Error("Style is not done loading")},update:function(t,e){if(!this._updates.changed)return this;if(this._updates.allLayers)this._groupLayers(),this._updateWorkerLayers();else{var r=Object.keys(this._updates.layers);r.length&&this._updateWorkerLayers(r)}var n,i=Object.keys(this._updates.sources);for(n=0;n=0;r--)for(var n=this._order[r],i=0;is.lastIntegerZoom?(n=u+(1-u)*c,h*=2,i=t({zoom:a-1},r),o=t({zoom:a},r)):(n=1-(1-c)*u,o=t({zoom:a},r),i=t({zoom:a+1},r),h/=2),{from:i,fromScale:h,to:o,toScale:f,t:n}}}var o=t("./style_function"),a=t("./parse_color"),s=t("../util/util");e.exports=n},{"../util/util":349,"./parse_color":289,"./style_function":292}],292:[function(t,e,r){"use strict";var n=t("mapbox-gl-function");r.interpolated=function(t){var e=n.interpolated(t),r=function(t,r){return e(t&&t.zoom,r||{})};return r.isFeatureConstant=e.isFeatureConstant,r.isZoomConstant=e.isZoomConstant,r},r["piecewise-constant"]=function(t){var e=n["piecewise-constant"](t),r=function(t,r){return e(t&&t.zoom,r||{})};return r.isFeatureConstant=e.isFeatureConstant,r.isZoomConstant=e.isZoomConstant,r},r.isFunctionDefinition=n.isFunctionDefinition},{"mapbox-gl-function":374}],293:[function(t,e,r){"use strict";function n(t,e){this.set(t,e)}function i(t){return t.value}var o=t("../util/util"),a=t("./style_transition"),s=t("./style_declaration"),l=t("./style_spec"),u=t("./validate_style"),c=t("./parse_color"),h=t("../util/evented");e.exports=n;var f="-transition";n.create=function(e,r){var n={background:t("./style_layer/background_style_layer"),circle:t("./style_layer/circle_style_layer"),fill:t("./style_layer/fill_style_layer"),line:t("./style_layer/line_style_layer"),raster:t("./style_layer/raster_style_layer"),symbol:t("./style_layer/symbol_style_layer")};return new n[(r||e).type](e,r)},n.prototype=o.inherit(h,{set:function(t,e){this.id=t.id,this.ref=t.ref,this.metadata=t.metadata,this.type=(e||t).type,this.source=(e||t).source,this.sourceLayer=(e||t)["source-layer"],this.minzoom=(e||t).minzoom,this.maxzoom=(e||t).maxzoom,this.filter=(e||t).filter,this.paint={},this.layout={},this._paintSpecifications=l["paint_"+this.type],this._layoutSpecifications=l["layout_"+this.type],this._paintTransitions={},this._paintTransitionOptions={},this._paintDeclarations={},this._layoutDeclarations={},this._layoutFunctions={};var r,n;for(var i in t){var o=i.match(/^paint(?:\.(.*))?$/);if(o){var a=o[1]||"";for(r in t[i])this.setPaintProperty(r,t[i][r],a)}}if(this.ref)this._layoutDeclarations=e._layoutDeclarations;else for(n in t.layout)this.setLayoutProperty(n,t.layout[n]);for(r in this._paintSpecifications)this.paint[r]=this.getPaintValue(r);
for(n in this._layoutSpecifications)this._updateLayoutValue(n)},setLayoutProperty:function(t,e){if(null==e)delete this._layoutDeclarations[t];else{var r="layers."+this.id+".layout."+t;if(this._handleErrors(u.layoutProperty,r,t,e))return;this._layoutDeclarations[t]=new s(this._layoutSpecifications[t],e)}this._updateLayoutValue(t)},getLayoutProperty:function(t){return this._layoutDeclarations[t]&&this._layoutDeclarations[t].value},getLayoutValue:function(t,e,r){var n=this._layoutSpecifications[t],i=this._layoutDeclarations[t];return i?i.calculate(e,r):n.default},setPaintProperty:function(t,e,r){var n="layers."+this.id+(r?'["paint.'+r+'"].':".paint.")+t;if(o.endsWith(t,f))if(this._paintTransitionOptions[r||""]||(this._paintTransitionOptions[r||""]={}),null===e||void 0===e)delete this._paintTransitionOptions[r||""][t];else{if(this._handleErrors(u.paintProperty,n,t,e))return;this._paintTransitionOptions[r||""][t]=e}else if(this._paintDeclarations[r||""]||(this._paintDeclarations[r||""]={}),null===e||void 0===e)delete this._paintDeclarations[r||""][t];else{if(this._handleErrors(u.paintProperty,n,t,e))return;this._paintDeclarations[r||""][t]=new s(this._paintSpecifications[t],e)}},getPaintProperty:function(t,e){return e=e||"",o.endsWith(t,f)?this._paintTransitionOptions[e]&&this._paintTransitionOptions[e][t]:this._paintDeclarations[e]&&this._paintDeclarations[e][t]&&this._paintDeclarations[e][t].value},getPaintValue:function(t,e,r){var n=this._paintSpecifications[t],i=this._paintTransitions[t];return i?i.calculate(e,r):"color"===n.type&&n.default?c(n.default):n.default},getPaintValueStopZoomLevels:function(t){var e=this._paintTransitions[t];return e?e.declaration.stopZoomLevels:[]},getPaintInterpolationT:function(t,e){var r=this._paintTransitions[t];return r.declaration.calculateInterpolationT({zoom:e})},isPaintValueFeatureConstant:function(t){var e=this._paintTransitions[t];return e?e.declaration.isFeatureConstant:!0},isPaintValueZoomConstant:function(t){var e=this._paintTransitions[t];return e?e.declaration.isZoomConstant:!0},isHidden:function(t){return this.minzoom&&t=this.maxzoom?!0:"none"===this.layout.visibility?!0:0===this.paint[this.type+"-opacity"]},updatePaintTransitions:function(t,e,r,n){for(var i=o.extend({},this._paintDeclarations[""]),a=0;a-r/2;){if(a--,0>a)return!1;s-=t[a].dist(o),o=t[a]}s+=t[a].dist(t[a+1]),a++;for(var l=[],u=0;r/2>s;){var c=t[a-1],h=t[a],f=t[a+1];if(!f)return!1;var d=c.angleTo(h)-h.angleTo(f);for(d=Math.abs((d+3*Math.PI)%(2*Math.PI)-Math.PI),l.push({distance:s,angleDelta:d}),u+=d;s-l[0].distance>n;)u-=l.shift().angleDelta;if(u>i)return!1;a++,s+=h.dist(f)}return!0}e.exports=n},{}],305:[function(t,e,r){"use strict";function n(t,e,r,n,o){for(var a=[],s=0;s=n&&f.x>=n||(h.x>=n?h=new i(n,h.y+(f.y-h.y)*((n-h.x)/(f.x-h.x)))._round():f.x>=n&&(f=new i(n,h.y+(f.y-h.y)*((n-h.x)/(f.x-h.x)))._round()),h.y>=o&&f.y>=o||(h.y>=o?h=new i(h.x+(f.x-h.x)*((o-h.y)/(f.y-h.y)),o)._round():f.y>=o&&(f=new i(h.x+(f.x-h.x)*((o-h.y)/(f.y-h.y)),o)._round()),l&&h.equals(l[l.length-1])||(l=[h],a.push(l)),l.push(f)))))}return a}var i=t("point-geometry");e.exports=n},{"point-geometry":404}],306:[function(t,e,r){"use strict";var n=t("../util/struct_array"),i=t("../util/util"),o=t("point-geometry"),a=e.exports=new n({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int16",name:"x1"},{type:"Int16",name:"y1"},{type:"Int16",name:"x2"},{type:"Int16",name:"y2"},{type:"Float32",name:"maxScale"},{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"},{type:"Int16",name:"bbox0"},{type:"Int16",name:"bbox1"},{type:"Int16",name:"bbox2"},{type:"Int16",name:"bbox3"},{type:"Float32",name:"placementScale"}]});i.extendAll(a.prototype.StructType.prototype,{get anchorPoint(){return new o(this.anchorPointX,this.anchorPointY)}})},{"../util/struct_array":347,"../util/util":349,"point-geometry":404}],307:[function(t,e,r){"use strict";function n(t,e,r,n,i,o,a,s,l,u,c){var h=a.top*s-l,f=a.bottom*s+l,d=a.left*s-l,p=a.right*s+l;if(this.boxStartIndex=t.length,u){var v=f-h,m=p-d;if(v>0)if(v=Math.max(10*s,v),c){var g=e[r.segment+1].sub(e[r.segment])._unit()._mult(m),y=[r.sub(g),r.add(g)];this._addLineCollisionBoxes(t,y,r,0,m,v,n,i,o)}else this._addLineCollisionBoxes(t,e,r,r.segment,m,v,n,i,o)}else t.emplaceBack(r.x,r.y,d,h,p,f,1/0,n,i,o,0,0,0,0,0);this.boxEndIndex=t.length}e.exports=n,n.prototype._addLineCollisionBoxes=function(t,e,r,n,i,o,a,s,l){var u=o/2,c=Math.floor(i/u),h=-o/2,f=this.boxes,d=r,p=n+1,v=h;do{if(p--,0>p)return f;v-=e[p].dist(d),d=e[p]}while(v>-i/2);for(var m=e[p].dist(e[p+1]),g=0;c>g;g++){for(var y=-i/2+g*u;y>v+m;){if(v+=m,p++,p+1>=e.length)return f;m=e[p].dist(e[p+1])}var b=y-v,x=e[p],_=e[p+1],w=_.sub(x)._unit()._mult(b)._add(x)._round(),M=Math.max(Math.abs(y-h)-u/2,0),k=i/2/M;t.emplaceBack(w.x,w.y,-o/2,-o/2,o/2,o/2,k,a,s,l,0,0,0,0,0)}return f}},{}],308:[function(t,e,r){"use strict";function n(t,e,r){if("object"==typeof t){var n=t;r=e,t=n.angle,e=n.pitch,this.grid=new a(n.grid),this.ignoredGrid=new a(n.ignoredGrid)}else this.grid=new a(o,12,6),this.ignoredGrid=new a(o,12,0);this.angle=t,this.pitch=e;var i=Math.sin(t),s=Math.cos(t);if(this.rotationMatrix=[s,-i,i,s],this.reverseRotationMatrix=[s,i,-i,s],this.yStretch=1/Math.cos(e/180*Math.PI),this.yStretch=Math.pow(this.yStretch,1.3),this.collisionBoxArray=r,0===r.length){r.emplaceBack();var l=32767;r.emplaceBack(0,0,0,-l,0,l,l,0,0,0,0,0,0,0,0,0),r.emplaceBack(o,0,0,-l,0,l,l,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,0,-l,0,l,0,l,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,o,-l,0,l,0,l,0,0,0,0,0,0,0,0,0)}this.tempCollisionBox=r.get(0),this.edges=[r.get(1),r.get(2),r.get(3),r.get(4)]}var i=t("point-geometry"),o=t("../data/bucket").EXTENT,a=t("grid-index");e.exports=n,n.prototype.serialize=function(){var t={angle:this.angle,pitch:this.pitch,grid:this.grid.toArrayBuffer(),ignoredGrid:this.ignoredGrid.toArrayBuffer()};return{data:t,transferables:[t.grid,t.ignoredGrid]}},n.prototype.minScale=.25,n.prototype.maxScale=2,n.prototype.placeCollisionFeature=function(t,e,r){for(var n=this.collisionBoxArray,o=this.minScale,a=this.rotationMatrix,s=this.yStretch,l=t.boxStartIndex;l=this.maxScale)return o}if(r){var _;if(this.angle){var w=this.reverseRotationMatrix,M=new i(u.x1,u.y1).matMult(w),k=new i(u.x2,u.y1).matMult(w),A=new i(u.x1,u.y2).matMult(w),T=new i(u.x2,u.y2).matMult(w);_=this.tempCollisionBox,_.anchorPointX=u.anchorPoint.x,_.anchorPointY=u.anchorPoint.y,_.x1=Math.min(M.x,k.x,A.x,T.x),_.y1=Math.min(M.y,k.x,A.x,T.x),_.x2=Math.max(M.x,k.x,A.x,T.x),_.y2=Math.max(M.y,k.x,A.x,T.x),_.maxScale=u.maxScale}else _=u;for(var E=0;E=this.maxScale)return o}}}return o},n.prototype.queryRenderedSymbols=function(t,e,r,n,o){var a={},s=[],l=this.collisionBoxArray,u=this.rotationMatrix,c=new i(t,e)._matMult(u),h=this.tempCollisionBox;h.anchorX=c.x,h.anchorY=c.y,h.x1=0,h.y1=0,h.x2=r-t,h.y2=n-e,h.maxScale=o,o=h.maxScale;for(var f=[c.x+h.x1/o,c.y+h.y1/o*this.yStretch,c.x+h.x2/o,c.y+h.y2/o*this.yStretch],d=this.grid.query(f[0],f[1],f[2],f[3]),p=this.ignoredGrid.query(f[0],f[1],f[2],f[3]),v=0;v=o&&(a[y][b]=!0,s.push(d[m]))}}return s},n.prototype.getPlacementScale=function(t,e,r,n,i){var o=e.x-n.x,a=e.y-n.y,s=(i.x1-r.x2)/o,l=(i.x2-r.x1)/o,u=(i.y1-r.y2)*this.yStretch/a,c=(i.y2-r.y1)*this.yStretch/a;(isNaN(s)||isNaN(l))&&(s=l=1),(isNaN(u)||isNaN(c))&&(u=c=1);var h=Math.min(Math.max(s,l),Math.max(u,c)),f=i.maxScale,d=r.maxScale;return h>f&&(h=f),h>d&&(h=d),h>t&&h>=i.placementScale&&(t=h),t},n.prototype.insertCollisionFeature=function(t,e,r){for(var n=r?this.ignoredGrid:this.grid,i=this.collisionBoxArray,o=t.boxStartIndex;oe-h*s&&(e=h*s+e/4);var d=2*a,p=f?e/2*l%e:(h/2+d)*s*l%e;return i(t,p,e,c,r,h*s,f,!1,u)}function i(t,e,r,n,l,u,c,h,f){for(var d=u/2,p=0,v=0;vg+r;){g+=r;var k=(g-m)/w,A=o(x.x,_.x,k),T=o(x.y,_.y,k);if(A>=0&&f>A&&T>=0&&f>T&&g-d>=0&&p>=g+d){var E=new a(A,T,M,b)._round();n&&!s(t,E,u,n,l)||y.push(E)}}m+=w}return h||y.length||c||(y=i(t,m/2,r,n,l,u,c,!0,f)),y}var o=t("../util/interpolate"),a=t("../symbol/anchor"),s=t("./check_max_angle");e.exports=n},{"../symbol/anchor":303,"../util/interpolate":343,"./check_max_angle":304}],310:[function(t,e,r){"use strict";function n(t,e){this.width=t,this.height=e,this.bin=new i(t,e),this.index={},this.ids={},this.data=new Uint8Array(t*e)}var i=t("shelf-pack");e.exports=n,n.prototype.getGlyphs=function(){var t,e,r,n={};for(var i in this.ids)t=i.split("#"),e=t[0],r=t[1],n[e]||(n[e]=[]),n[e].push(r);return n},n.prototype.getRects=function(){var t,e,r,n={};for(var i in this.ids)t=i.split("#"),e=t[0],r=t[1],n[e]||(n[e]={}),n[e][r]=this.index[i];return n},n.prototype.addGlyph=function(t,e,r,n){if(!r)return null;var i=e+"#"+r.id;if(this.index[i])return this.ids[i].indexOf(t)<0&&this.ids[i].push(t),this.index[i];if(!r.bitmap)return null;var o=r.width+2*n,a=r.height+2*n,s=1,l=o+2*s,u=a+2*s;l+=4-l%4,u+=4-u%4;var c=this.bin.packOne(l,u);if(c||(this.resize(),c=this.bin.packOne(l,u)),!c)return console.warn("glyph bitmap overflow"),null;this.index[i]=c,this.ids[i]=[t];for(var h=this.data,f=r.bitmap,d=0;a>d;d++)for(var p=this.width*(c.y+d+s)+c.x+s,v=o*d,m=0;o>m;m++)h[p+m]=f[v+m];return this.dirty=!0,c},n.prototype.resize=function(){var t=this.width,e=this.height;if(!(t>512||e>512)){this.texture&&(this.gl&&this.gl.deleteTexture(this.texture),this.texture=null),this.width*=2,this.height*=2,this.bin.resize(this.width,this.height);for(var r,n,i=new ArrayBuffer(this.width*this.height),o=0;e>o;o++)r=new Uint8Array(this.data.buffer,e*o,t),n=new Uint8Array(i,e*o*2,t),n.set(r);this.data=new Uint8Array(i)}},n.prototype.bind=function(t){this.gl=t,this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,this.width,this.height,0,t.ALPHA,t.UNSIGNED_BYTE,null))},n.prototype.updateTexture=function(t){this.bind(t),this.dirty&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.ALPHA,t.UNSIGNED_BYTE,this.data),this.dirty=!1)}},{"shelf-pack":406}],311:[function(t,e,r){"use strict";function n(t){this.url=t&&a(t),this.atlases={},this.stacks={},this.loading={}}function i(t,e,r){var n=1;this.advance=t.advance,this.left=t.left-r-n,this.top=t.top+r+n,this.rect=e}function o(t,e,r,n){return n=n||"abc",r.replace("{s}",n[t.length%n.length]).replace("{fontstack}",t).replace("{range}",e)}var a=t("../util/mapbox").normalizeGlyphsURL,s=t("../util/ajax").getArrayBuffer,l=t("../util/glyphs"),u=t("../symbol/glyph_atlas"),c=t("pbf");e.exports=n,n.prototype.getSimpleGlyphs=function(t,e,r,n){void 0===this.stacks[t]&&(this.stacks[t]={}),void 0===this.atlases[t]&&(this.atlases[t]=new u(128,128));for(var o,a={},s=this.stacks[t],l=this.atlases[t],c=3,h={},f=0,d=0;d65535)return r("glyphs > 65535 not supported");void 0===this.loading[t]&&(this.loading[t]={});var n=this.loading[t];if(n[e])n[e].push(r);else{n[e]=[r];var i=256*e+"-"+(256*e+255),a=o(t,i,this.url);s(a,function(t,r){for(var i=!t&&new l(new c(new Uint8Array(r))),o=0;or&&(o=!o),o&&i++;var u=new s(e.x,e.y),c=n[i],h=1/0;r=Math.abs(r);for(var f=l;;){var d=u.dist(c),p=r/d,v=Math.atan2(c.y-u.y,c.x-u.x);if(o||(v+=Math.PI),a&&(v+=Math.PI),t.push({anchorPoint:u,offset:a?Math.PI:0,minScale:p,maxScale:h,angle:(v+2*Math.PI)%(2*Math.PI)}),f>=p)break;for(u=c;u.equals(c);)if(i+=o?1:-1,c=n[i],!c)return p;var m=c.sub(u)._unit();u=u.sub(m._mult(d)),h=p}return f}var s=t("point-geometry");e.exports={getIconQuads:i,getGlyphQuads:o};var l=.5},{"point-geometry":404}],314:[function(t,e,r){"use strict";function n(t,e,r){for(var n=[],o=0,a=t.length;a>o;o++){var s=i(t[o].properties,e["text-field"]);if(s){s=s.toString();var l=e["text-transform"];"uppercase"===l?s=s.toLocaleUpperCase():"lowercase"===l&&(s=s.toLocaleLowerCase());for(var u=0;un&&null!==c){var x=g[c+1].x;m=Math.max(x,m);for(var _=c+1;y>=_;_++)g[_].y+=r,g[_].x-=x;if(a){var w=c;h[g[c].codePoint]&&w--,s(g,e,p,w,a)}p=c+1,c=null,d+=x,v++}f[b.codePoint]&&(c=y)}var M=g[g.length-1],k=M.x+e[M.codePoint].advance;m=Math.max(m,k);var A=(v+1)*r;s(g,e,p,g.length-1,a),l(g,a,i,o,m,r,v,u),t.top+=-o*A,t.bottom=t.top+A,t.left+=-i*m,t.right=t.left+m}function s(t,e,r,n,i){for(var o=e[t[n].codePoint].advance,a=(t[n].x+o)*i,s=r;n>=s;s++)t[s].x-=a}function l(t,e,r,n,i,o,a,s){for(var l=(e-r)*i+s[0],u=(-n*(a+1)+.5)*o+s[1],c=0;c=f;f++,d=((f+u)%u+n)*e+r,p+=o)for(h=-1;l>=h;h++)i[p+h]=t[d+(h+l)%l];else for(f=0;u>f;f++,d+=e,p+=o)for(h=0;l>h;h++)i[p+h]=t[d+h]}function o(t,e,r,n,i){this.rect=t,this.width=e,this.height=r,this.sdf=n,this.pixelRatio=i}var a=t("shelf-pack"),s=t("../util/browser");e.exports=n,n.prototype.allocateImage=function(t,e){t/=this.pixelRatio,e/=this.pixelRatio;var r=2,n=t+r+(4-(t+r)%4),i=e+r+(4-(e+r)%4),o=this.bin.packOne(n,i);return o?o:(console.warn("SpriteAtlas out of space."),null)},n.prototype.getImage=function(t,e){if(this.images[t])return this.images[t];if(!this.sprite)return null;var r=this.sprite.getSpritePosition(t);if(!r.width||!r.height)return null;var n=this.allocateImage(r.width,r.height);if(!n)return null;var i=new o(n,r.width/r.pixelRatio,r.height/r.pixelRatio,r.sdf,r.pixelRatio/this.pixelRatio);return this.images[t]=i,this.copy(n,r,e),i},n.prototype.getPosition=function(t,e){var r=this.getImage(t,e),n=r&&r.rect;if(!n)return null;var i=r.width*r.pixelRatio,o=r.height*r.pixelRatio,a=1;return{size:[r.width,r.height],tl:[(n.x+a)/this.width,(n.y+a)/this.height],br:[(n.x+a+i)/this.width,(n.y+a+o)/this.height]}},n.prototype.allocate=function(){if(!this.data){var t=Math.floor(this.width*this.pixelRatio),e=Math.floor(this.height*this.pixelRatio);this.data=new Uint32Array(t*e);for(var r=0;r